MCQ
Which is not possible
- A$ICl_3$
- B$I_3^-$
- ✓$ClBr_7$
- D$BeF_4^{-2}$
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$(i)\,\,RC \equiv \mathop C\limits^ \ominus $
$(ii)\,\,[IMAGE]$
$(iii)\,\,{R_2}C = \mathop C\limits^ \ominus H$
$(iv)\,\,{R_3}C - \mathop C\limits^ \ominus {H_2}$