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

C + 2 H_{2} S O_{4} \to C O_{2} + 2 S O_{2} + 2 H_{2} O

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C a F_{2} + H_{2} S O_{4} \to C a S O_{4} + 2 H F

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C u + 2 H_{2} S O_{4} \to C u S O_{4} + S O_{2} + 2 H_{2} O

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3 S + 2 H_{2} S O_{4} \to 3 S O_{2} + 2 H_{2} O

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Solution

The correct option is B $C a F_{2} + H_{2} S O_{4} \to C a S O_{4} + 2 H F$
$C a F_{2} + H_{2} S O_{4} \to C a S O_{4} + 2 H F$
In this reaction, oxidation number of all the elements are constant . Hence $H_{2} S O_{4}$ is not acting as a oxidizing agent.

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Similar questions

Q. Hot conc.

H_{2} S O_{4}

acts as moderately strong oxidizing agent. It oxidizes both metals and non-metals. Which of the following elements is oxidized by conc.

H_{2} S O_{4}

into two gaseous products?

Q. Assertion :

H_{2} S O_{4}

is a strong oxidizing agent. Reason: Concentrated

H_{2} S O_{4}

oxidises sulphide ions to sulphur trioxide.

Which of the following reactions shows nitric acid as an oxidizing agent?

(a) Which property of sulphuric acid accounts for its use as a dehydrating agent ?

(b) Concentrated sulphuric acid is both an oxidizing agent and a non-volatile acid. Write on equation each to illustrate the above mentioned properties of sulphuric acid.

Q. Which of the following compound is not a strong oxidizing agent ?

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

The correct option is B CaF2+H2SO4→CaSO4+2HFCaF2+H2SO4→CaSO4+2HF In this reaction, oxidation number of all the elements are constant . Hence H2SO4 is not acting as a oxidizing agent.

The correct option is B $C a F_{2} + H_{2} S O_{4} \to C a S O_{4} + 2 H F$
$C a F_{2} + H_{2} S O_{4} \to C a S O_{4} + 2 H F$
In this reaction, oxidation number of all the elements are constant . Hence $H_{2} S O_{4}$ is not acting as a oxidizing agent.