Given below are | EQUIVALENT CONCEPT | JEE-MAIN 2022

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JEE MAIN 2022

28-07-2022 S2

Question

Given below are two statements : One is labeled as Assertion A and the other is labeled as Reason R
Assertion A : Permanganate titrations are not performed in presence of hydrochloric acid.
Reason R : Chlorine is formed as a consequence of oxidation of hydrochloric acid.
In the light of the above statements, choose the correct answer from the options given below

Select the correct option:

A

Both A and R are true and R is the correct explanation of A

B

Both A and R are true but R is NOT the correct explanation of A

C

A is true but R is false

D

A is false but R is true

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

$$ 2 \mathrm{KMnO}_4+16 \mathrm{HCl} \rightarrow 2 \mathrm{MnCl}_2+2 \mathrm{KCl}+8 \mathrm{H}_2 \mathrm{O}+\mathrm{Cl}_2 $$ HCl gets oxidised by $\mathrm{KMnO}_4$ into $\mathrm{Cl}_2$

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Chemistry

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