NEET Solved Paper 2017 Question 12

Question: Name the gas that can readily decolourises acidified $ KMnO _4 $ solution:

Options:

A) ${{P }_{2}}{{O} _{5}}$

B) $C{{O}_{2}}$

C) $S{{O}_{2}}$

D) $N{{O}_{2}}$

Show Answer

Answer:

Correct Answer: C

Solution:

  • $ SO _2 $ is readily decolourises acidified $ KMnO _4. $