Chemistry - Complete Pblock- Question with Solution | TestHub

ChemistryComplete Pblock-p-Block 17,18Medium2 minQB

ChemistryMediummultiple choice

Which halide does produce halogen when heated with $MnO_{2}$ in dil. $H_{2} SO_{4}$ :-

Answer:

B, C, D

Solution:

In acidic medium, MnO₂ oxidizes halide ions to halogens depending on their reducing power.

Cl⁻, Br⁻, I⁻ are oxidized to Cl₂, Br₂, I₂ respectively.

Fluoride ion is very stable and cannot be oxidized under these conditions.

Hence, only Cl⁻, Br⁻, I⁻ give halogen.

Correct answer: B, C, D.

Stream:JEESubject:ChemistryTopic:Complete Pblock-Subtopic:p-Block 17,18

⏱ 2mℹ️ Source: QB

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