Question

Which of the following will not occur.

• A. $Fe + H_{2}SO_{4} \rightarrow FeSO_{4} + H_{2}$
• B. $Cu + 2AgNO_{3} \rightarrow Cu(NO_{3})_{2} + 2Ag$
• C. $2KBr + I_{2} \rightarrow 2KI + Br_{2}$
• D. $CuO + H_{2} \rightarrow Cu + H_{2}O$

Answer 1

Answer: (C)

$2KBr + I_{2} \rightarrow 2KI + Br_{2}$

Answer 2

Electronegativity of $I_{2}$ is less than $Br_{2}$. Therefore

unable to displace bromine.