MCQ
The bond order is not three for
- ✓$N_2^ + $
- B$O_2^{2 + }$
- C${N_2}$
- D$N{O^ + }$
=$\frac{1}{2}[9 - 4] = \frac{5}{2} = 2.5$.
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Assertion $A$ :$[6]$ Annulene.$[8]$ Annulene and cis - $[10]$ Annulene, are respectively aromatic, not-aromatic and aromatic.
Reason $R$ : Planarity is one of the requirements of aromatic systems.
In the light of the above statements, choose the most appropriate answer from the options given below.
(Given $R =0.082\,L\,atm\,K ^{-1}\,mol ^{-1}$ )
while $E_{Z{n^{2 + }}/Zn}^o = - 0.76\,V$
