MCQ
Which one is liquid at room temperature :
- A$CH_3Cl$
- B$C_2H_5Cl$
- C$CH_3Br$
- ✓$C_2H_5Br$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$2 \mathrm{H}_{2} \mathrm{O} \rightarrow \mathrm{O}_{2}+4 \mathrm{H}^{\oplus}+4 \mathrm{e}^{-} ; \mathrm{E}_{\mathrm{red}}^{0}=1.23 \mathrm{V}$
$(\mathrm{R}=8.314 \;\mathrm{J} \mathrm{mol}^{-1} \mathrm{K}^{-1} ; \text { Temperature }=298 \;\mathrm{K} ;$ oxygen under std. atm. pressure of $1 \;bar$)