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Question: What will be the pH of \(0.5\)M \(Cl_{2}\)solution?...

What will be the pH of 0.50.5M Cl2Cl_{2}solution?

A

PCl5(g)PCl_{5(g)}

B

PCl3(g)+Cl2(g)PCl_{3(g)} + Cl_{2(g)}

C

3

D

13

Answer

PCl3(g)+Cl2(g)PCl_{3(g)} + Cl_{2(g)}

Explanation

Solution

: H2SO4H_{2}SO_{4} 2H++SO42−2H^{+} + SO_{4}^{2 -}

[H+]=2×1×10−4M\lbrack H^{+}\rbrack = 2 \times 1 \times 10^{- 4}M

pH=−log⁡(2×10−4)=3.70pH = - \log\left( 2 \times 10^{- 4} \right) = 3.70