Q25 / 120 · VITEEE 2010 · Chemistry

Identify the statement which is not correct regarding $\mathrm{CuSO}_{4}$.

  • A
    It reacts with KI to give iodine
  • Correct answer
    B
    It reacts with $\mathrm{KCl}$ to give $\mathrm{Cu}_{2} \mathrm{Cl}_{2}$
  • C
    It reacts with NaOH and glucose to give $\mathrm{Cu}_{2} \mathrm{O}$
  • D
    It gives $\mathrm{CuO}$ on strong heating in air

Solution

As $\mathrm{CuSO}_{4}$ reacts with KI to give white precipitate of $\mathrm{Cu}_{2} \mathrm{I}_{2}$ and to evolve $\mathrm{I}_{2} \cdot \mathrm{CuSO}_{4}$ does not react with KCl.

Hence, the correct answer is option: 'B'.

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