What is the correct formula for "Mohr's

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Target Exam

CUET

Subject

Chemistry

Chapter

Inorganic: Coordination Compounds

Question:

What is the correct formula for "Mohr's salt"?

Options:

$FeSO_4.(NH_4)_2SO_4.6H_2O$

$FeSO_4.(NH_4)_2SO_4.12H_2O$

$Fe_2(SO_4)_3.(NH_4)_2SO_4.12H_2O$

$Fe_2(SO_4)_3.(NH_4)_2SO_4.6H_2O$

Correct Answer:

$FeSO_4.(NH_4)_2SO_4.6H_2O$

Explanation:

The correct answer is Option (1) → $FeSO_4.(NH_4)_2SO_4.6H_2O$

Mohr’s salt is ferrous ammonium sulphate

It is a double salt containing:

It crystallizes with 6 molecules of water