MCQ
In which of the following molecules all the bonds are not equal
- A$PF_3$
- B$BF_3$
- C$CCl_4$
- ✓$SF_4$
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$(A)$ and $(B)$ are
$2CrO_4^{2 - } + 2{H^ + } \to C{r_2}O_7^{2 - } + {H_2}O$
$(i)$ ${C_6}{H_5}{N^ + } \equiv NC{l^ - }$ $(ii)$ ${C_6}{H_5}{N^ + } \equiv N$
$(iii)$ ${{\overset{\centerdot }{\mathop{C}}\,}_{6}}{{H}_{5}}$ $(iv)$ $C_6H_5Cl$