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Question

Chemistry Question on p -Block Elements

Mohrs salt is

A

Na2SO4.Al2(SO4).24H2ON{{a}_{2}}S{{O}_{4}}.A{{l}_{2}}(S{{O}_{4}}).24{{H}_{2}}O

B

CuSO4.Al2(SO4)3.24H2OCuS{{O}_{4}}.A{{l}_{2}}{{(S{{O}_{4}})}_{3}}.24{{H}_{2}}O

C

FeSO4.(NH4)2SO4.6H2OFeS{{O}_{4}}.{{(N{{H}_{4}})}_{2}}S{{O}_{4}}.6{{H}_{2}}O

D

K2SO4.Fe2(SO4)3.24H2O{{K}_{2}}S{{O}_{4}}.F{{e}_{2}}{{(S{{O}_{4}})}_{3}}.24{{H}_{2}}O

Answer

FeSO4.(NH4)2SO4.6H2OFeS{{O}_{4}}.{{(N{{H}_{4}})}_{2}}S{{O}_{4}}.6{{H}_{2}}O

Explanation

Solution

(i) Na2SO4.Al2(SO4)3.24H2ON{{a}_{2}}S{{O}_{4}}.A{{l}_{2}}{{(S{{O}_{4}})}_{3}}.24{{H}_{2}}O and K2SO4.Fe2(SO4)3.24H2O{{K}_{2}}S{{O}_{4}}.F{{e}_{2}}{{(S{{O}_{4}})}_{3}}.24{{H}_{2}}O are alum. (ii) FeSO4.(NH4)2SO4.6H2OFeS{{O}_{4}}.{{(N{{H}_{4}})}_{2}}S{{O}_{4}}.6{{H}_{2}}O is Mohrs salt.