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JEE · NEET Previous Year Question

$How many ions per molecule are produced in the solution when Mohr salt is dissolved in excess of water?$

Topic: JEE PYQ

Answer: A. Full step-by-step solution below.

A $5$
B $10$
C $4$
D $6$

Correct answer: A

Solution

(a) : FeSO_{4} \cdot (NH_{4})_{2} SO_{4} \cdot 6 H_{2} O \to Excess H_{2} O Fe^{2 +} + 2 NH_{4}^{+} + 2 SO_{4}^{2 -} + 6 H_{2} O

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