chemical-aritmatic

Question: 100 ml of 0.1 N hypo decolourised iodine by the addition of $x$ g of crystalline copper sulphate to excess of KI. The value of $‘x’$ is (molecular wt. of $CuS{O_4}.5{H_2}O$is 250)

1) 5.0 g

2) 1.25 g

3) 2.5 g

4) 4 g

Solution:

Explanation: No Explanation

Chemical-Stoichiometry

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