MCQ
The isoelectronic pair is
- A$C{l_2}O,\;ICl_2^ - $
- B$ICl_2^ - ,Cl{O_2}\;$
- C$IF_2^ + ,\;I_3^ - $
- ✓$ClO_2^ - ,\;ClF_2^ + $
Number of electrons in $ClF_2^ + = 7+7+7 -1=20.$
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$(1)\,CH_3C \equiv C - CH_3$ $(2)\,CH_3CH_2 -CH_2 -CH_3$
$(3)\, CH_3CH_2C \equiv CH$ $(4)\, CH_3CH = CH_2$