Chemistry NCERT Exemplar Solutions Class 12th Chapter Seven P Block Elements Class 12th Chemistry Ncert Solutions Chemistry Class 12th

Assertion : HI cannot be prepared by the reaction of KI with concentrated H₂SO₄

Reason : HI has lowest H–X bond strength among halogen acids

(i) Both assertion and reason are correct statements, and reason is the correct explanation of the assertion.

(ii) Both assertion and reason are correct statements, but reason is not the correct explanation of the assertion.

(iii) Assertion is correct, but reason is wrong statement.

(iv) Assertion is wrong but reason is correct statement.

(v) Both assertion and reason are wrong statements.

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Payal Gupta | Contributor-Level 10

7 months ago

This is a assertion and reason answer type question as classified in NCERT Exemplar

Correct option is (ii)

Because H₂SO₄ is a stronger oxidising agent and HI is a stronger reducing agent, H₂SO₄ oxidizes and is reduced to SO₂.

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Chemistry NCERT Exemplar Solutions Class 12th Chapter Seven 2025

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