Chemical Properties of Group 1 and 2 Elements

Better method for preparation of ${\mathrm{BeF}}_2$, among the following is

The compound which does not exist is

Given below are two statements :

Statement I : Lithium and Magnesium do not form superoxide

Statement II : The ionic radius of ${\mathrm{Li}}^{+}$ is larger than ionic radius of ${\mathrm{Mg}}^{2+}$ 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 :

Consider the following reaction:

Which compound does not exist from the following?

Read the following two statements
Statement I: Ionic radius of ${\mathrm{Li}}^{+}$ is greater than ${\mathrm{Mg}}^{+2}$
Statement II: Lithium and magnesium can't form superoxide

Arrange the hydrides of group I in increasing order of their stability.

The set of metals that can react with water even in cold conditions are

The pair of elements that form both oxides and nitrides, when burnt in air are

Ine metal which dissolves in liquid ammonia to give a blue-black solution due to formation of solvated electron is

The strongest reducing agent is 

Which among the following is the strongest reducing agent?

$\mathrm{M} + \mathrm{liq}. {\mathrm{NH}}_3\stackrel{}{\to }\mathrm{Blue} \mathrm{solution};$ M can be

In all oxides, peroxides and super oxides, the oxidation state of alkali metals is-

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

When a solution of alkaline earth metal in liquid ammonia is evaporated:

Alkaline earth metals react with halogens to form metal halides.