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Types of Redox Reactions

50 ml of 0.2 ...

Question

50 ml of 0.2 N $H C l$ , 50 ml of 0.1 N $H_{2} {S O}_{4}$ and 100 ml of 0.2 N ${H N O}_{3}$ are mixed. Normality of the resulting solution is:

A

0.1 N

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B

0.15 N

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C

0.175 N

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D

0.2 N

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Solution

The correct option is C $0.175 N$
Resulting normality $= \frac{(N_{1} V_{1} + N_{2} V_{2} + N_{3} V_{3})}{V_{1} + V_{2} + V_{3}}$

$\Rightarrow \frac{(0.2 \times 0.05) + (0.1 \times 0.05) + (0.2 \times 0.1)}{(0.05 + 0.05 + 0.1)}$

$= 0.175 N$

Option C is correct.

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