s-Block Elements · Chemistry · JEE Advanced

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Numerical

IIT-JEE 2011 Paper 1 Offline
Reaction of Br2 with Na2CO3 in aqueous solution gives sodium bromide and sodium bromate with evolution of CO2 gas. The number of sodium bromide molecu...

MCQ (More than One Correct Answer)

IIT-JEE 2009 Paper 1 Offline
The compound(s) formed upon combustion of sodium metal in excess air is (are)
IIT-JEE 2006
The species present in solution when CO2 is dissolved in water are
IIT-JEE 2006
MgSO4 on reaction with NH4OH and Na2HPO4 forms a white crystalline precipitate. What is its formula?
IIT-JEE 1998
Highly pure dilute solution of sodium in liquid ammonia
IIT-JEE 1992
The species that do not contain peroxide ions are
IIT-JEE 1990
When zeolite, which is hydrated sodium aluminium silicate is treated with hard water the sodium ions are exchanged with

MCQ (Single Correct Answer)

IIT-JEE 2008 Paper 1 Offline
Aqueous solutions of Na$$_2$$S$$_2$$O$$_3$$ on reaction with Cl$$_2$$ gives:
IIT-JEE 2007
The question contains STATEMENT - 1 (Assertion) and STATEMENT - 2 (Reason) and has 4 choices (a), (b), (c) and (d) out of which ONLY ONE is correct. S...
IIT-JEE 2004 Screening
A sodium salt on treatment with MgCl3 gives white precipitate only on heating. The anion of the sodium salt is
IIT-JEE 2001 Screening
The set representing the correct order of first ionization potential is
IIT-JEE 1996
The following compounds have been arranged in order of their increasing thermal stabilities. Identify the correct order K2CO3 (A), MgCO3 (B), CaCO3 (C...
IIT-JEE 1994
Statement (S) The alkali metals can form ionic hydrides which contain the hydride ion H-. Explanation (E) The alkali metals have low electronegativity...
IIT-JEE 1991
The volume strength of 1.5 N H2O2 solution is
IIT-JEE 1987
The metallic lustre exhibited by sodium is explained by
IIT-JEE 1986
The pair of compound which cannot exist together in solution is:
IIT-JEE 1985
Hydrogen gas will not reduce
IIT-JEE 1985
The oxide that gives hydrogen peroxide on treatment with a dilute acid is
IIT-JEE 1985
Molecular formula of Glauber's salt is:
IIT-JEE 1984
The hydration energy of Mg++ is larger than that of:
IIT-JEE 1983
Heavy water is
IIT-JEE 1981
A solution of sodium metal in liquid ammonia is strongly reducing due to the presence of
IIT-JEE 1980
Calcium is obtained by
IIT-JEE 1980
HCL is added to the following oxides. Which one would give H2O2?
IIT-JEE 1978
The substance absorbs CO2 and violently reacts with water. The substance is

Subjective

IIT-JEE 1999
Give reasons of the following: BeCl2 can be easily hydrolysed.
IIT-JEE 1998
Work out the following using chemical equation : Chlorination of calcium hydroxide produces bleaching powder.
IIT-JEE 1998
Hydrogen peroxide acts both as an oxidising and as a reducing agent in alkaline solution towards certain first row transition metal ions. Illustrate b...
IIT-JEE 1997
Give reasons of the following: The crystalline salts of alkaline earth metals contain more water of crystallisation than the corresponding alkali meta...
IIT-JEE 1997
To a 25ml H2O2 solution, excess of acidified solution of potassium iodide was added. The iodine liberated required 20 ml of 0.3 N sodium thiosulphate ...
IIT-JEE 1997
Give reactions for the oxidation of hydrogen peroxide with potassium permanganate in acidic medium.
IIT-JEE 1997
Element A burns in nitrogen to give an ionic compound B. Compound B reacts with water to give C and D. A solution of C becomes 'milky' on bubbling car...
IIT-JEE 1997
Arrange the following sulphates of Alkaline earth metals in order of decreasing thermal stability : BeSO4, MgSO4, CaSO4, SrSO4...
IIT-JEE 1996
Explain the difference in the nature of bonding in LiF and LiI.
IIT-JEE 1995
A 5.0 cm3 solution of H2O2 liberates 0.508 g of iodine from an acidified KI solution. Calculate the strength of H2O2 solution in terms of volume stren...
IIT-JEE 1994
Complete and balance the following reactions: Ca5(PO4)3F + H2SO4 + H2O $$\buildrel {Heat} \over \longrightarrow $$ ........ + 5CaSO4.2H2O + ...........
IIT-JEE 1993
Give briefly the isolation of magnesium from sea water by the Dow process. Give equations for the steps involved.
IIT-JEE 1992
Give reasons of the following: Hydrogen peroxide acts as an oxidising as well as a reducing agent.
IIT-JEE 1991
Write down the balanced equation for the reaction when: Carbon dioxide is passed through a suspension of lime stone in water.
IIT-JEE 1989
Write down the balanced equation for the reaction when: Potassium ferricyanide reacts with hydrogen peroxide in basic solution
IIT-JEE 1988
Write down the balanced equation for the reaction when: Carbon dioxide is passed through a concentrated aqueous solution of sodium chloride saturated ...
IIT-JEE 1987
Give reasons of the following: Magnesium oxide is used for the lining of steel making furnace.
IIT-JEE 1987
Give reasons of the following: Why is sodium chloride added during electrolysis of fused anhydrous magnesium chloride?
IIT-JEE 1986
Give reasons of the following: Hydrogen peroxide is a better oxidising agent than water.
IIT-JEE 1985
Write down the balanced equations for the reaction when: Calcium phosphate is heated with a mixture of sand and carbon;
IIT-JEE 1982
How will you prepare bleaching powder from slaked lime.
IIT-JEE 1982
Write down the balanced equations for the reaction when: An alkaline solution of potassium ferricyanide is reacted with hydrogen peroxide.
IIT-JEE 1981
Give reasons of the following: Sodium carbonate is made by Solvay process but the same process is not extended to the manufacture of potassium carbona...

Fill in the Blanks

IIT-JEE 1993
Ca2+ has a small ionic radius than K+ because it has ______.
IIT-JEE 1989
The electrolysis of molten sodium hydride liberates ____ gas at the _____
IIT-JEE 1985
Sodium dissolved in liquid ammonia conducts electricity because ________.
IIT-JEE 1983
The absorption of hydrogen by palladium is commonly known as ______.
IIT-JEE 1980
Anhydrous MgCl2 is obtained by hydrated salt with ______.

True or False

IIT-JEE 1987
Sodium when burnt in excess of oxygen gives sodium oxide.
IIT-JEE 1986
The softness of group I-A metals increases down the group with increasing atomic number.
IIT-JEE 1982
MgCl2.6H2O on heating give anhydrous MgCl2
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