EASY
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The set of metal halides in which all the members form hydrates is:

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Important Questions on Elements of Group 1 and Group 2

EASY
The main oxides formed on combustion of Li, Na and K in excess of air are respectively:
MEDIUM
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:
MEDIUM
Sodium metal on dissolution in liquid ammonia gives a deep blue solution due to the formation of:
MEDIUM

Reaction of BeCl2 with LiAlH4 gives :

(A) AlCl3

(B) BeH2

(C) LiH

(D) LiCl

(E) BeAlH4

Choose the correct answer from options given below

EASY
On combustion of Li, Na and K in excess of air, the major oxides formed, respectively, are:
EASY
The metal that forms nitride by reacting directly with N2 of air is:
MEDIUM
Sodium dissolves in liquid NH3 to give a deep blue solution. This is due to;
MEDIUM
The pair of elements that form both oxides and nitrides, when burnt in air are
MEDIUM

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 of reduction potential compared to the other alkaline earth metals

Reason R : Beryllium has large hydration energy due to small size of Be2+but relatively large value of atomisation enthalpy.

In the light of the above statements, choose the most appropriate answer from the options given below.

MEDIUM
Magnesium is burnt in the air to form A and B. When B is hydrolyzed, C and D are formed. D is the reactant in the manufacture of nitric acid by Ostwald's process. What is C ?
MEDIUM
When sodium Na metal is dissolved in liquid ammonia NH3, it imparts a blue colour to the solution. This blue coloration is due to:
MEDIUM
Name a nitrate that does not yield corresponding metal oxide, nitrogen dioxide on heating.
EASY
A piece of Mg ribbon is heated to redness in nitrogen atmosphere and the treated with water. The gas evolved is
MEDIUM

Given below are two statements :

Statement I : Lithium and Magnesium do not form superoxide

Statement II : The ionic radius of Li+ is larger than ionic radius of Mg2+ In the light of the above statements, choose the most appropriate answer from the questions given below :

In the light of the above statements, choose the most appropriate answer from the questions given below :