NEW
New Website Launch
Experience the best way to solve previous year questions with mock tests (very detailed analysis), bookmark your favourite questions, practice etc...
VISIT NOW

JEE Main

s-Block Elements

Chemistry

Previous Years Questions

MCQ (Single Correct Answer)

More
Portland cement contains 'X' to enhance the setting time. What is 'X' ?
JEE Main 2022 (Online) 29th July Evening Shift
Lithium nitrate and sodium nitrate, when heated separately, respectively, give:
JEE Main 2022 (Online) 29th July Morning Shift
Statement I : An alloy of lithium and magnesium is used to make aircraft plates. Statement II : The magnesium ions are i...
JEE Main 2022 (Online) 28th July Evening Shift
The correct decreasing order for metallic character is
JEE Main 2022 (Online) 28th July Evening Shift
Which of the following statement is incorrect?
JEE Main 2022 (Online) 28th July Morning Shift
Which of the following enhances the lathering property of soap?
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 gr...
JEE Main 2022 (Online) 27th July Evening Shift
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: $$\ma...
JEE Main 2022 (Online) 26th July Evening Shift
The metal that has very low melting point and its periodic position is closer to a metalloid is
JEE Main 2022 (Online) 26th July Evening Shift
Reaction of $$\mathrm{BeCl}_{2}$$ with $$\mathrm{LiAlH}_{4}$$ gives : (A) $$\mathrm{AlCl}_{3}$$ (B) $$\mathrm{BeH}_{2}$$...
JEE Main 2022 (Online) 26th July Morning Shift
Refining using liquation method is the most suitable for metals with:
JEE Main 2022 (Online) 26th July Morning Shift
The correct order of density is
JEE Main 2022 (Online) 25th July Evening Shift
Choose the correct order of density of the alkali meals:
JEE Main 2022 (Online) 25th July Morning Shift
Correct statement about alkali metal oxides is
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...
JEE Main 2022 (Online) 30th June Morning Shift
Which of the following statements are correct? (A) Both LiCl and MgCl2 are soluble in ethanol. (B) The oxides Li2O and M...
JEE Main 2022 (Online) 24th June Morning Shift
In the flame test of a mixture of salts, a green flame with blue centre was observed. Which one of the following cations...
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 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 alkaline earth metal ions has the highest ionic mobility in its aqueous solution?
JEE Main 2022 (Online) 25th June Morning Shift
s-block element which cannot be qualitatively confirmed by the flame test is
JEE Main 2022 (Online) 26th June Evening Shift
The correct order of melting point is :
JEE Main 2022 (Online) 26th June Morning Shift
BeCl2 reacts with LiAlH4 to give:
JEE Main 2022 (Online) 27th June Morning Shift
Addition of H2SO4 to BaO2 produces :
JEE Main 2022 (Online) 27th June Morning Shift
Amongst baking soda, caustic soda and washing soda, carbonate anion is present in
JEE Main 2022 (Online) 29th June Evening Shift
Match List-I with List-II. .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:sol...
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:soli...
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 th...
JEE Main 2022 (Online) 29th June Morning Shift
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A)...
JEE Main 2021 (Online) 31st August Evening Shift
The major component/ingredient of Portland Cement is :
JEE Main 2021 (Online) 31st August Morning Shift
The number of water molecules in gypsum, dead burnt plaster and plaster of Paris, respectively are :
JEE Main 2021 (Online) 27th August Morning Shift
What are the products formed in sequence when excess of CO2 is passed in slaked lime?
JEE Main 2021 (Online) 26th August Morning Shift
Match List - I with List - II : .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style...
JEE Main 2021 (Online) 27th July Evening Shift
Given below are two statements : One is labelled as Assertion A and the other labelled as Reason R.Assertion A : Lithium...
JEE Main 2021 (Online) 27th July Morning Shift
Match List I with List II : .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:sol...
JEE Main 2021 (Online) 25th July Evening Shift
Given below are two statements :Statement I : None of the alkaline earth metal hydroxides dissolve in alkali.Statement I...
JEE Main 2021 (Online) 25th July Morning Shift
Match List-I with List-II List-I(Elements) List-II(Properties) (a) Ba (i) ...
JEE Main 2021 (Online) 22th July Evening 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 par...
JEE Main 2021 (Online) 20th July Morning Shift
Match List - I with List - II : List - I List - II (a) Be (i) treatment of...
JEE Main 2021 (Online) 18th March Evening Shift
Match List - I with List - II List - I List - II (a) $$Ca{(OCl)_2}$$ (i) A...
JEE Main 2021 (Online) 18th March Morning Shift
Match List - I with List - II List - I List - II (a) Chlorophyll (i) Ruthe...
JEE Main 2021 (Online) 18th March Morning Shift
One of the by-products formed during the recovery of NH3 from Solvay process is :
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
The correct order of conductivity of ions in water is :
JEE Main 2021 (Online) 17th March Morning Shift
Given below are two statements :Statement I : Both CaCl2 . 6H2O and MgCl2 . 8H2O undergo dehydration on heating.Statemen...
JEE Main 2021 (Online) 16th March Morning Shift
Match List - I with List - II. List I (Salt) List II (Flame colour wavelength) (a) ...
JEE Main 2021 (Online) 24th February Evening Slot
Al2O3 was leached with alkali to get X. The solution of X on passing of gas Y, forms Z. X, Y and Z respectively are :...
JEE Main 2021 (Online) 24th February Morning Slot
Among the sulphates of alkaline earth metals, the solubilities of BeSO4 and MgSO4 in water, respectively, are :...
JEE Main 2020 (Online) 6th September Morning Slot
An alkaline earth metal ‘M’ readily forms water soluble sulphate and water insoluble hydroxide. Its oxide MO is very sta...
JEE Main 2020 (Online) 4th September Evening Slot
On combustion of Li, Na and K in excess of air, the major oxides formed, respectively, are :
JEE Main 2020 (Online) 4th September Morning Slot
Two elements A and B have similar chemical properties. They don’t form solid hydrogencarbonates, but react with nitrogen...
JEE Main 2020 (Online) 2nd September Evening Slot
The metal mainly used in devising photoelectric cells is :
JEE Main 2020 (Online) 2nd September Morning Slot
Among the statements (a)-(d) the correct ones are: (a) Lithium has the highest hydration enthalpy among the alkali metal...
JEE Main 2020 (Online) 9th January Evening Slot
The INCORRECT statement is :
JEE Main 2019 (Online) 12th April Evening Slot
A hydrated solid X on heating initially gives a monohydrated compound Y. Y upon heating above 373 K leads to an anhydro...
JEE Main 2019 (Online) 10th April Evening Slot
The alloy used in the construction of aircrafts is :
JEE Main 2019 (Online) 10th April Morning Slot
Magnisium powder burns in air to give:
JEE Main 2019 (Online) 9th April Morning Slot
The correct statement (s) among I to III with respect to potassium ions that are abundant within the cell fluid is /are ...
JEE Main 2019 (Online) 12th January Evening Slot
A metal on combustion in excess air forms X. X upon hydrolysis with water yields H2O2 and O2 along with another product....
JEE Main 2019 (Online) 12th January Morning Slot
The reaction that does NOT define calcination 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...
JEE Main 2019 (Online) 11th January Evening Slot
The amphoteric hydroxide is :
JEE Main 2019 (Online) 11th January Morning Slot
Sodium metal on dissolution in liquid ammonia gives a deep blue solution due to the formation of :
JEE Main 2019 (Online) 10th January Evening Slot
The metal used for marking X–ray tube window is :
JEE Main 2019 (Online) 10th January Morning Slot
The metal that forms nitride by reacting directly with N2 of air, is :
JEE Main 2019 (Online) 9th January Evening Slot
The alkaline earth metal nitrate that does not crystallise with water molecules, is :
JEE Main 2019 (Online) 9th January Morning Slot
Lithium aluminium hydride reacts with silicon tetrachloride to form :
JEE Main 2018 (Online) 15th April Evening Slot
A white sodium salt dissolves readily in water to give a solution which is neutral to litmus. When silver nitrate soluti...
JEE Main 2018 (Online) 15th April Morning Slot
Which one of the following is an oxide ?
JEE Main 2017 (Online) 9th April Morning Slot
Both lithium and magnesium display several similar properties due to the diagonal relationship; however, the one which i...
JEE Main 2017 (Offline)
The commercial name for calcium oxide is :
JEE Main 2016 (Online) 10th April Morning Slot
The correct order of the solubility of alkaline-earth metal sulphates in water is :
JEE Main 2016 (Online) 9th April Morning Slot
The hottest region of Bunsen flame shown in the figure below is : ...
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)
Which of the following atoms has the highest first ionization energy?
JEE Main 2016 (Offline)
Which one of the following alkaline earth metal sulphates has its hydration enthalpy greater than its lattice enthalpy?
JEE Main 2015 (Offline)
Which of the following on thermal decomposition yields a basic as well as an acidic oxide ?
AIEEE 2012
The ionic mobility of alkali metal ions in aqueous solution is maximum for
AIEEE 2006
Which of the following statements in relation to the hydrogen atom is correct?
AIEEE 2005
Based on lattice energy and other considerations which one of the following alkali metal chlorides is expected to have t...
AIEEE 2005
Which one of the following species is diamagnetic in nature?
AIEEE 2005
One mole of magnesium nitride on the reaction with an excess of water gives
AIEEE 2004
The substance not likely to contain CaCO3 is
AIEEE 2003
The solubilities of carbonates decrease down the magnesium group due to a decrease in
AIEEE 2003
In curing cement plasters water is sprinkled from time to time. This helps in
AIEEE 2003
A metal M readily forms its sulphate MSO4, which is water-soluble. It forms its oxide MO which becomes inert on heating....
AIEEE 2002
The metallic sodium disolves in liquid ammonia to form a deep blue coloured solution. The deep blue colour is due to for...
AIEEE 2002
KO2 (potassium super oxide) is used in oxygen cylinders in space and submarines because it
AIEEE 2002

Numerical

More
BeO reacts with HF in presence of ammonia to give [A] which on thermal decomposition produces [B] and ammonium fluoride....
JEE Main 2022 (Online) 27th June Evening Shift

Joint Entrance Examination

JEE Main JEE Advanced WB JEE

Graduate Aptitude Test in Engineering

GATE CSE GATE ECE GATE EE GATE ME GATE CE GATE PI GATE IN

Medical

NEET

CBSE

Class 12