MCQ
Which of the following has minimum freezing point
- A$0.1\,M$ ${K_2}C{r_2}{O_7}$
- B$0.1 \,M$ $N{H_4}Cl$
- C$0.1\,M $ $BaS{O_4}$
- ✓$0.1\,M $ $A{l_2}{(S{O_4})_3}$
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$C{{H}_{3}}OH\xrightarrow{HI}C{{H}_{3}}I\xrightarrow{KCN}$
$C{{H}_{3}}CN\xrightarrow{\text{reduction}}X\xrightarrow{HN{{O}_{3}}}Y$
$(ii) $ An acid is an electron pair acceptorThe above statements $(i) $ and $(ii)$
$(a)$ ${CrO}_{3}$ $(b)$ ${Fe}_{2} {O}_{3}$ $(c)$ ${MnO}_{2}$ $(d)$ ${V}_{2} {O}_{5}$ $(e)$ ${Cu}_{2} {O}$