This chapter is currently out of syllabus
s-Block Elements · Chemistry · JEE Main
Start PracticeMCQ (Single Correct Answer)
JEE Main 2023 (Online) 15th April Morning Shift
Given below are two statements : One is labelled as Assertion A and the other is labelled as Reason R :
Assertion (A) : $\mathrm{BeCl}_{2}$ and $\mat...
JEE Main 2023 (Online) 13th April Evening Shift
Better method for preparation of $$\mathrm{BeF}_{2}$$, among the following is :
JEE Main 2023 (Online) 13th April Evening Shift
Identify the correct order of standard enthalpy of formation of sodium halides :
JEE Main 2023 (Online) 13th April Morning Shift
$$\mathrm{Be}(\mathrm{OH})_{2}$$ reacts with $$\mathrm{Sr}(\mathrm{OH})_{2}$$ to yield an ionic salt. Choose the incorrect option related to this reac...
JEE Main 2023 (Online) 12th April Morning Shift
The density of alkali metals is in the order :
JEE Main 2023 (Online) 12th April Morning Shift
In the given reaction cycle
X, Y and Z respectively are :...
JEE Main 2023 (Online) 11th April Evening Shift
Alkali metal from the following with least melting point is :
JEE Main 2023 (Online) 11th April Morning Shift
Match List-I with List-II:
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:solid;border-width:1px;font-famil...
JEE Main 2023 (Online) 10th April Evening Shift
The correct order of metallic character is :
JEE Main 2023 (Online) 10th April Evening Shift
Number of water molecules in washing soda and soda ash respectively are :
JEE Main 2023 (Online) 10th April Morning Shift
Lime reacts exothermally with water to give 'A' which has low solubility in water. Aqueous solution of 'A' is often used for the test of CO$$_2$$, a t...
JEE Main 2023 (Online) 8th April Evening Shift
Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R.
Assertion A : Sodium is about 30 times as abunda...
JEE Main 2023 (Online) 8th April Evening Shift
For a good quality cement, the ratio of lime to the total of the oxides of $$\mathrm{Si}, \mathrm{Al}$$ and $\mathrm{Fe}$ should be as close as to :...
JEE Main 2023 (Online) 8th April Morning Shift
Given below are two statements:
Statement I : Lithium and Magnesium do not form superoxide
Statement II : The ionic radius of $$\mathrm{Li}^{+}$$ is l...
JEE Main 2023 (Online) 8th April Morning Shift
What is the purpose of adding gypsum to cement?
JEE Main 2023 (Online) 6th April Evening Shift
The product, which is not obtained during the electrolysis of brine solution is :
JEE Main 2023 (Online) 6th April Evening Shift
Ion having highest hydration enthalpy among the given alkaline earth metal ions is :
JEE Main 2023 (Online) 6th April Evening Shift
Structures of $$\mathrm{BeCl}_{2}$$ in solid state, vapour phase and at very high temperature respectively are :
JEE Main 2023 (Online) 1st February Evening Shift
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : Gypsum is used for making f...
JEE Main 2023 (Online) 1st February Morning Shift
Match List I with List II :
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:solid;border-width:1px;font-fami...
JEE Main 2023 (Online) 1st February Morning Shift
Choose the correct statement(s) :
A. Beryllium oxide is purely acidic in nature.
B. Beryllium carbonate is kept in the atmosphere of $$\mathrm{CO_2}$$...
JEE Main 2023 (Online) 31st January Evening Shift
The element playing significant role in neuromuscular function and interneuronal transmission is :
JEE Main 2023 (Online) 30th January Evening Shift
Chlorides of which metal are soluble in organic solvents :
JEE Main 2023 (Online) 30th January Evening Shift
Which of the following reaction is correct?
JEE Main 2023 (Online) 30th January Morning Shift
Lithium aluminium hydride can be prepared from the reaction of :
JEE Main 2023 (Online) 30th January Morning Shift
The alkaline earth metal sulphate(s) which are readily soluble in water is/are :
A. $$\mathrm{BeSO}_{4}$$
B. $$\mathrm{MgSO}_{4}$$
C. $$\mathrm{CaSO}_...
JEE Main 2023 (Online) 29th January Morning Shift
The correct order of hydration enthalpies is
(A) K$$^+$$
(B) Rb$$^+$$
(C) Mg$$^{2+}$$
(D) Cs$$^+$$
(E) Ca$$^{2+}$$
Choose the correct answer from the ...
JEE Main 2023 (Online) 25th January Evening Shift
Which one among the following metals is the weakest reducing agent?
JEE Main 2023 (Online) 25th January Evening Shift
Which of the following represents the correct order of metallic character of the given elements?
JEE Main 2023 (Online) 25th January Evening Shift
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion A : The alkali metals and their salts i...
JEE Main 2023 (Online) 24th January Evening Shift
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion A : Beryllium has less negative value o...
JEE Main 2023 (Online) 24th January Evening Shift
Identify the correct statements about alkali metals.
A. The order of standard reduction potential (M$$^+$$
| M) for alkali metal ions is Na > Rb > L...
JEE Main 2023 (Online) 24th January Morning Shift
Match List I with List II
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:solid;border-width:1px;font-family...
JEE Main 2023 (Online) 24th January Morning Shift
Reaction of BeO with ammonia and hydrogen fluoride gives A which on thermal decomposition gives $$\mathrm{BeF_2}$$ and $$\mathrm{NH_4F}$$. What is 'A'...
JEE Main 2022 (Online) 29th July Evening Shift
Portland cement contains 'X' to enhance the setting time. What is 'X'?
JEE Main 2022 (Online) 29th July Morning Shift
Lithium nitrate and sodium nitrate, when heated separately, respectively, give :
JEE Main 2022 (Online) 28th July Evening Shift
The correct decreasing order for metallic character is :
JEE Main 2022 (Online) 28th July Evening Shift
Statement I : An alloy of lithium and magnesium is used to make aircraft plates.
Statement II : The magnesium ions are important for cell-membrane int...
JEE Main 2022 (Online) 28th July Morning Shift
Which of the following statement is incorrect?
JEE Main 2022 (Online) 27th July Evening Shift
An element A of group 1 shows similarity to an element B belonging to group 2. If A has maximum hydration enthalpy in group 1 then B is :
JEE Main 2022 (Online) 26th July Evening Shift
The metal that has very low melting point and its periodic position is closer to a metalloid is :
JEE Main 2022 (Online) 26th July Evening Shift
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: $$\mathrm{LiF}$$ is sparingly solub...
JEE Main 2022 (Online) 26th July Morning Shift
Reaction of $$\mathrm{BeCl}_{2}$$ with $$\mathrm{LiAlH}_{4}$$ gives :
(A) $$\mathrm{AlCl}_{3}$$
(B) $$\mathrm{BeH}_{2}$$
(C) $$\mathrm{LiH}$$
(D) $$\m...
JEE Main 2022 (Online) 25th July Evening Shift
The correct order of density is :
JEE Main 2022 (Online) 25th July Morning Shift
Choose the correct order of density of the alkali metals :
JEE Main 2022 (Online) 30th June Morning Shift
Match List - I with List - II :
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:solid;border-width:1px;font-...
JEE Main 2022 (Online) 30th June Morning Shift
Correct statement about alkali metal oxides is :
JEE Main 2022 (Online) 29th June Evening Shift
Amongst baking soda, caustic soda and washing soda, carbonate anion is present in :
JEE Main 2022 (Online) 29th June Morning Shift
Arrange the following in the decreasing order of their covalent character :
(A) LiCl
(B) NaCl
(C) KCl
(D) CsCl
Choose the most appropriate answer from...
JEE Main 2022 (Online) 29th June Morning Shift
Match List-I with List-II
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:solid;border-width:1px;font-family...
JEE Main 2022 (Online) 27th June Morning Shift
Addition of H2SO4 to BaO2 produces :
JEE Main 2022 (Online) 27th June Morning Shift
BeCl2 reacts with LiAlH4 to give :
JEE Main 2022 (Online) 26th June Evening Shift
s-block element which cannot be qualitatively confirmed by the flame test is :
JEE Main 2022 (Online) 26th June Morning Shift
The correct order of melting point is :
JEE Main 2022 (Online) 25th June Morning Shift
Which one of the following alkaline earth metal ions has the highest ionic mobility in its aqueous solution?
JEE Main 2022 (Online) 24th June Evening Shift
In the industrial production of which of the following, molecular hydrogen is obtained as a byproduct?
JEE Main 2022 (Online) 24th June Evening Shift
Which one of the following compounds is used as a chemical in certain type of fire extinguishers?
JEE Main 2022 (Online) 24th June Morning Shift
Which of the following statements are correct?
(A) Both LiCl and MgCl2 are soluble in ethanol.
(B) The oxides Li2O and MgO combine with excess of oxyg...
JEE Main 2021 (Online) 31st August Evening Shift
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : Lithium salts are hydrated....
JEE Main 2021 (Online) 31st August Morning Shift
The major component/ingredient of Portland Cement is :
JEE Main 2021 (Online) 27th August Evening Shift
Choose the correct statement from the following :
JEE Main 2021 (Online) 27th August Morning Shift
The number of water molecules in gypsum, dead burnt plaster and plaster of Paris, respectively are :
JEE Main 2021 (Online) 26th August Morning Shift
What are the products formed in sequence when excess of CO2 is passed in slaked lime?
JEE Main 2021 (Online) 27th July Evening Shift
Match List - I with List - II :
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:solid;border-width:1px;font-f...
JEE Main 2021 (Online) 27th July Morning Shift
Given below are two statements : One is labelled as Assertion A and the other labelled as Reason R.Assertion A : Lithium halides are some what covalen...
JEE Main 2021 (Online) 25th July Evening Shift
Match List I with List II :
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:solid;border-width:1px;font-famil...
JEE Main 2021 (Online) 25th July Morning Shift
Given below are two statements :Statement I : None of the alkaline earth metal hydroxides dissolve in alkali.Statement II : Solubility of alkaline ear...
JEE Main 2021 (Online) 22th July Evening Shift
Match List-I with List-II
List-I(Elements)
List-II(Properties)
(a)
Ba
(i)
Organic solvent soluble compou...
JEE Main 2021 (Online) 20th July Morning Shift
The set in which compounds have different nature is :
JEE Main 2021 (Online) 20th July Morning Shift
A s-block element (M) reacts with oxygen to form an oxide of the formula MO2. The oxide is pale yellow in colour and paramagnetic. The element (M) is ...
JEE Main 2021 (Online) 18th March Evening Shift
Match List - I with List - II :
List - I
List - II
(a)
Be
(i)
treatment of cancer
(b)
Mg
...
JEE Main 2021 (Online) 18th March Morning Shift
Match List - I with List - II
List - I
List - II
(a)
$$Ca{(OCl)_2}$$
(i)
Antacid
(b)
$$CaS...
JEE Main 2021 (Online) 17th March Evening Shift
The set of elements that differ in mutual relationship from those of the other sets is :
JEE Main 2021 (Online) 17th March Evening Shift
One of the by-products formed during the recovery of NH3 from Solvay process is :
JEE Main 2021 (Online) 17th March Morning Shift
The correct order of conductivity of ions in water is :
JEE Main 2021 (Online) 16th March Morning Shift
Given below are two statements :Statement I : Both CaCl2 . 6H2O and MgCl2 . 8H2O undergo dehydration on heating.Statement II : BeO is amphoteric where...
JEE Main 2021 (Online) 24th February Evening Shift
Match List - I with List - II.
List I (Salt)
List II (Flame colour wavelength)
(a)
LiCl
(i)
455.5 nm
...
JEE Main 2020 (Online) 6th September Evening Slot
Match the following compounds (Column-I) with
their uses (Column-II) :
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;bo...
JEE Main 2020 (Online) 6th September Morning Slot
Among the sulphates of alkaline earth metals,
the solubilities of BeSO4 and MgSO4 in water,
respectively, are :
JEE Main 2020 (Online) 4th September Evening Slot
An alkaline earth metal ‘M’ readily forms water
soluble sulphate and water insoluble hydroxide.
Its oxide MO is very stable to heat and does not
have ...
JEE Main 2020 (Online) 4th September Morning Slot
On combustion of Li, Na and K in excess of air,
the major oxides formed, respectively, are :
JEE Main 2020 (Online) 2nd September Evening Slot
Two elements A and B have similar chemical
properties. They don’t form solid
hydrogencarbonates, but react with nitrogen to
form nitrides. A and B, re...
JEE Main 2020 (Online) 2nd September Morning Slot
The metal mainly used in devising
photoelectric cells is :
JEE Main 2020 (Online) 9th January Evening Slot
Among the statements (a)-(d) the correct ones
are :
(a) Lithium has the highest hydration enthalpy
among the alkali metals.
(b) Lithium chloride is in...
JEE Main 2020 (Online) 8th January Morning Slot
When gypsum is heated to 393 K, it forms :
JEE Main 2019 (Online) 12th April Evening Slot
The INCORRECT statement is :
JEE Main 2019 (Online) 12th April Morning Slot
The correct sequence of thermal stability of the following carbonates is :
JEE Main 2019 (Online) 10th April Evening Slot
A hydrated solid X on heating initially gives a monohydrated compound Y. Y upon heating above 373 K leads
to an anhydrous white powder Z. X and Z, re...
JEE Main 2019 (Online) 10th April Morning Slot
The alloy used in the construction of aircrafts is :
JEE Main 2019 (Online) 9th April Evening Slot
The structures of beryllium chloride in the solid
state and vapour, phase, respectively,are :
JEE Main 2019 (Online) 9th April Morning Slot
Magnisium powder burns in air to give :
JEE Main 2019 (Online) 8th April Morning Slot
The correct order of hydration enthapies of alkali metal ions is :
JEE Main 2019 (Online) 12th January Morning Slot
A metal on combustion in excess air forms X. X upon hydrolysis with water yields H2O2 and O2 along with another product. The metal is :...
JEE Main 2019 (Online) 11th January Evening Slot
Match the following items in column I with the corresponding items in column II.
.tg {border-collapse:collapse;border-spacing:0;width:100%}
.tg td{...
JEE Main 2019 (Online) 11th January Evening Slot
The reaction that does NOT define calcination is :
JEE Main 2019 (Online) 11th January Morning Slot
The amphoteric hydroxide is :
JEE Main 2019 (Online) 10th January Evening Slot
Sodium metal on dissolution in liquid ammonia gives a deep blue solution due to the formation of :
JEE Main 2019 (Online) 10th January Morning Slot
The metal used for marking X–ray tube window is :
JEE Main 2019 (Online) 9th January Evening Slot
The metal that forms nitride by reacting directly with N2 of air, is :
JEE Main 2019 (Online) 9th January Morning Slot
The alkaline earth metal nitrate that does not crystallise with water molecules, is :
JEE Main 2017 (Offline)
Both lithium and magnesium display several similar properties due to the diagonal relationship; however,
the one which is incorrect, is :
JEE Main 2016 (Online) 10th April Morning Slot
The commercial name for calcium oxide is :
JEE Main 2016 (Online) 9th April Morning Slot
The correct order of the solubility of alkaline-earth metal sulphates in water is :
JEE Main 2016 (Offline)
Which of the following atoms has the highest first ionization energy?
JEE Main 2016 (Offline)
The main oxides formed on combustion of Li, Na and K in excess of air are, respectively :
JEE Main 2016 (Offline)
The hottest region of Bunsen flame shown in the figure below is :
...
JEE Main 2015 (Offline)
Which one of the following alkaline earth metal sulphates has its hydration enthalpy greater than its lattice
enthalpy?
JEE Main 2014 (Offline)
The metal that cannot be obtained by electrolysis of an aqueous solution of its salts is :
AIEEE 2012
Which of the following on thermal decomposition yields a basic as well as an acidic oxide?
AIEEE 2006
The ionic mobility of alkali metal ions in aqueous solution is maximum for :
AIEEE 2005
Based on lattice energy and other considerations which one of the following alkali
metal chlorides is expected to have the highest melting point :
AIEEE 2004
One mole of magnesium nitride on the reaction with an excess of water gives :
AIEEE 2003
In curing cement plasters water is sprinkled from time to time. This helps in :
AIEEE 2003
The solubilities of carbonates decrease down the magnesium group due to a decrease in :
AIEEE 2003
The substance not likely to contain CaCO3 is :
AIEEE 2002
KO2 (potassium super oxide) is used in oxygen cylinders in space and submarines because it :
AIEEE 2002
The metallic sodium disolves in liquid ammonia to form a deep blue coloured solution. The deep blue colour is due to formation of :
AIEEE 2002
A metal M readily forms its sulphate MSO4, which is water-soluble. It forms its oxide MO which becomes inert on heating. It forms an insoluble hydroxi...
Numerical
JEE Main 2023 (Online) 11th April Evening Shift
$$\mathrm{Mg}\left(\mathrm{NO}_{3}\right)_{2} \cdot \mathrm{XH}_{2} \mathrm{O}$$ and $$\mathrm{Ba}\left(\mathrm{NO}_{3}\right)_{2} \cdot \mathrm{YH}_{...
JEE Main 2023 (Online) 31st January Evening Shift
The number of alkali metal(s), from $\mathrm{Li}, \mathrm{K}, \mathrm{Cs}$, Rb having ionization enthalpy greater than $400 \mathrm{~kJ}$ $\mathrm{mol...
JEE Main 2023 (Online) 29th January Evening Shift
On heating, $$\mathrm{LiNO_3}$$ gives how many compounds among the following __________
$$\mathrm{Li_2O,N_2,O_2,LiNO_2,NO_2}$$
JEE Main 2022 (Online) 27th June Evening Shift
BeO reacts with HF in presence of ammonia to give [A] which on thermal decomposition produces [B] and ammonium fluoride. Oxidation state of Be in [A] ...