Assertion (A) HI cannot be prepared by the reaction of KI with conc. H 2 SO 4. Reason (R) HI has lowest H-X bond strength among halogen acids.

Question

Assertion (A) HI cannot be prepared by the reaction of KI with conc. H 2 SO 4. Reason (R) HI has lowest H-X bond strength among halogen acids. (A) Both A and R are correct; R is the correct explanation of A. (B) Both A and R are correct; R is not the correct explanation of A. (C) A is correct; R is incorrect. (D) R is correct; A is incorrect.

Tardigrade Admin · Accepted Answer

Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.

H I

cannot be prepared by the reaction of

K I

with conc.

H_{2} S O_{4}

because

H I

is converted into

I_{2}

on reaction with

H_{2} S O_{4}

.

Q. Assertion (A) $H I$ cannot be prepared by the reaction of $K I$ with conc. $H_{2} S O_{4}$ .
Reason (R) $H I$ has lowest $H - X$ bond strength among halogen acids.

Both $A$ and $R$ are correct; $R$ is the correct explanation of $A$ .

Both $A$ and $R$ are correct; $R$ is not the correct explanation of $A$ .

$A$ is correct; $R$ is incorrect.

$R$ is correct; $A$ is incorrect.

Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
$H I$ cannot be prepared by the reaction of $K I$ with conc. $H_{2} S O_{4}$ because $H I$ is converted into $I_{2}$ on reaction with $H_{2} S O_{4}$ .

Q. Assertion (A) HI cannot be prepared by the reaction of KI with conc. H2​SO4​. Reason (R) HI has lowest H−X bond strength among halogen acids.

Both A and R are correct; R is the correct explanation of A.

Both A and R are correct; R is not the correct explanation of A.

A is correct; R is incorrect.

R is correct; A is incorrect.