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Q.

Assertion (A) : NaCl reacts with concentrated H2SO4 to give colorless fumes with pungent smell. But on adding MnO2 the fumes become greenish yellow.
Reason(R): MnO2 oxidizes HCl to chlorine gas which is greenish yellow. 

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An Intiative by Sri Chaitanya

a

Both A and R are not correct

b

A is not correct but R is correct

c

Both A and R are correct but R is not the correct explanation of A

d

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

answer is A.

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Detailed Solution

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NaCl+H2SO4→HCl+NaHSO4

MnO2+HCl→MnCl2+Cl2+H2O

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