MCQ
Dehydrated phosphorus trichloride in water gives
- A$HP{O_3}$
- B${H_3}P{O_4}$
- C${H_3}P{O_2}$
- ✓${H_3}P{O_3}$
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[Atomic number of $\mathrm{Gd}=64$ ]
$(i)$ ${C_6}{H_5}{N^ + } \equiv NC{l^ - }$ $(ii)$ ${C_6}{H_5}{N^ + } \equiv N$
$(iii)$ ${{\overset{\centerdot }{\mathop{C}}\,}_{6}}{{H}_{5}}$ $(iv)$ $C_6H_5Cl$