MCQ
Which one of the following substances will be a mixed salt
- A$NaHC{O_3}$
- ✓$Ca(OCl)Cl$
- C${K_2}S{O_4}\,A{l_2}{(S{O_4})_3}.24{H_2}O$
- D$Mg\,(OH)Br$
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$2 {X}+\mathrm{B}_2 \mathrm{H}_6 \rightarrow\left\lfloor\mathrm{BH}_2(\mathbf{X})_2\right\rfloor^{+}\left\lfloor\mathrm{BH}_4\right]^{-}$ the amine(s) ${X}$ is$(are)$
$(A)$ $\mathrm{NH}_3$ $(B)$ $\mathrm{CH}_3 \mathrm{NH}_2$ $(C)$ $\left(\mathrm{CH}_3\right)_2 \mathrm{NH}$ $(D)$ $\left(\mathrm{CH}_3\right)_3 \mathrm{~N}$