SATHEE: P-Block Elements Ques 127

P-Block Elements Ques 127

Question: $K I$ when heated with conc. $H_{2} S O_{4}$ gives

[MP PET/PMT 1988]

Options:

A) $H I$

B) $I_{2}$

C) $H I O_{3}$

D) $K I O_{3}$

Show Answer

Answer:

Correct Answer: B

Solution:

$K I + H_{2} S O_{4} \overset{Δ}{\to} K H S O_{4} + H I$ $H_{2} S O_{4} + 2 H I \to 2 H_{2} O + \underset{Violet vapour}{I_{2} + S O_{2} ↑}$

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