Assertion: NaCl reacts with concentrated H2SO4 to give colourless fumes with pungent smell. But on adding MnO2 the fumes become greenish yellow. Reason: Mn02 oxidises HC1 to chlorine gas which is greenish yellow. [NCERT Exemplar]

Assertion: NaCl reacts with concentrated H2SO4 to give colourless fume

1.	Assertion: NaCl reacts with concentrated H2SO4 to give colourless fumes with pungent smell. But on adding MnO2 the fumes become greenish yellow. Reason: Mn02 oxidises HC1 to chlorine gas which is greenish yellow. [NCERT Exemplar]
Answer» Both A and R is TRUE and R is the CORRECT EXPLANATION of A.