Select the correct options among the following. I. Li can form Li3N II. Li2CO3

Question

Select the correct options among the following. I. Li can form Li3N II. Li2CO3 < Na2CO3 < K2CO3 < Rb2CO3 < Cs2CO3 (Thermal stability) III. LiCl is soluble in pyridine IV. CaH2 is known as hydrolith (A) I, II only (B) I, II, III only (C) I, III, IV only (D) I, II, III, IV

Tardigrade Admin · Accepted Answer

(I) 6Li + N2 arrow 2Li3N Other alkali metals do not react with N2 (III) LiCl, being covalent, is soluble in pyridine.

Q. Select the correct options among the following. I. Li can form $L i_{3} N$
II. $L i_{2} C O_{3} < N a_{2} C O_{3} < K_{2} C O_{3} < R b_{2} C O_{3} < C s_{2} C O_{3}$ (Thermal stability)
III. $L i Cl$ is soluble in pyridine IV. $C a H_{2}$ is known as hydrolith

I, II only

I, II, III only

I, III, IV only

I, II, III, IV

(I) $6 L i + N_{2} \to 2 L i_{3} N$
Other alkali metals do not react with $N_{2}$
(III) LiCl, being covalent, is soluble in pyridine.

Q. Select the correct options among the following. I. Li can form Li3​N II. Li2​CO3​<Na2​CO3​<K2​CO3​<Rb2​CO3​<Cs2​CO3​ (Thermal stability) III. LiCl is soluble in pyridine IV. CaH2​ is known as hydrolith