The structures of beryllium chloride in solid-state, and vapor state are :

1. Dimer, and Linear, respectively.

2. Chain in both.

3. Chain, and dimer, respectively.

4. Linear in both.

Among the following, the metal that can be used as an electrode in a photoelectric cell is- 

1.  Li   

2.  Na

3.  Rb 

4.  Cs

The products obtained on heating LiNO₃ will be:

1. ${\mathrm{Li}}_2\mathrm{O}+{\mathrm{NO}}_2+{\mathrm{O}}_2$

2. ${\mathrm{Li}}_3\mathrm{N}+{\mathrm{O}}_2$

3. ${\mathrm{Li}}_2\mathrm{O}+\mathrm{NO}+{\mathrm{O}}_2$

4. ${\mathrm{LiNO}}_2+{\mathrm{O}}_2$

Among the following alkaline earth metal halides, the one which is covalent and soluble in organic solvents is:

1. Magnesium chloride

2. Beryllium chloride

3. Calcium chloride

4. Strontium chloride

The correct order of hydration enthalpies of alkali metal ions is -

1. $L{i}^{+} > N{a}^{+} > K^{+} > R{b}^{+} > C{s}^{+}$

2. $N{a}^{+} > L{i}^{+} > K^{+} > R{b}^{+} > C{s}^{+}$

3. $L{i}^{+} > N{a}^{+} > K^{+} > C{s}^{+} > R{b}^{+}$

4. $N{a}^{+} > L{i}^{+} > K^{+} > C{s}^{+} > R{b}^{+}$

Sodium hydroxide can be prepared by:

1. Down's Process.

2. Castner–Kellner process.

3. Solvay's Process.

4. None of the above.

Match the following:

The correct statement(s) among the following options is/are:

The correct statement(s) among the following options is/are:

Quick lime is heated with silica to give:

1. CaSiO₃

2. CaSiO₄

3. CaSiO

4. Ca(SiO)₃