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NEET 2016

Exam: NEET
Year: 2016
Subject: Chemistry
Chapter: p Block Elements (Group 15, 16, 17 & 18)

NEET 2016 · Chemistry · p Block Elements (Group 15, 16, 17 & 18)

Hot concentrated sulphuric acid is a moderately strong oxidizing...

Hot concentrated sulphuric acid is a moderately strong oxidizing agent. Which of the following reactions does not show oxidizing behaviour?

Options

A $Cu + 2{H}_{2}{SO}_{4} \to {CuSO}_{4} + {SO}_{2} + 2{H}_{2}O$
B $3S + 2{H}_{2}{SO}_{4} \to 3{SO}_{2} + 2{H}_{2}O$
C $C + 2{H}_{2}{SO}_{4} \to {CO}_{2} + 2{SO}_{2} + 2{H}_{2}O$
D ${CaF}_{2} + {H}_{2}{SO}_{4} \to {CaSO}_{4} + 2HF$

Correct answer

D. ${CaF}_{2} + {H}_{2}{SO}_{4} \to {CaSO}_{4} + 2HF$

Step-by-step solution

${CaF}_{2} + {H}_{2}{SO}_{4} \to {CaSO}_{4} + 2HF$

In this reaction, there is no change in oxidation state of any atom.

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