Choose the correct matching:-

Column-$I$	Column-$II$
$(P) NaBr + \text{conc. } H_2SO_4 \rightarrow$	$(A) \text{Colourless gas}$
$(Q) Na_2S + \text{dil. } HCl \rightarrow$	$(B) \text{Brown colour}$
$(R) NaNO_2 + \text{dil. } HCl \rightarrow$	$(C) \text{Rotten smell}$
$(S) NaNO_3 + \text{conc. } H_2SO_4 \rightarrow$	$(D) \text{Paramagnetic}$

• A
  $P-B, D; Q-A, C; R-B; S-B, D$
• B
  $P-B; Q-A, C; R-B, D; S-B, D$
• C
  $P-B, D; Q-A, C; R-B, D; S-B$
• D
  $P-B; Q-A, C; R-A, C; S-B, D$