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Q.

Which of the following will not occur

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a

$2 KBr + I_{2} \to 2 KI + {Br}_{2}$

b

$Fe + H_{2} {SO}_{4} \to {FeSO}_{4} + H_{2}$

c

$CuO + H_{2} \to Cu + H_{2} O$

d

$Cu + 2 {AgNO}_{3} \to Cu {({NO}_{3})}_{2} + 2 Ag$

answer is C.

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Detailed Solution

Electronegativity of I₂ is less than Br₂. Therefore unable to displace bromine

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