MCQ
Which one is paramagnetic and has the bond order $1/2$
- A${O_2}$
- B${N_2}$
- C${F_2}$
- ✓$H_2^ + $
it has only one electron so it will be paramagnetic.
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$(A)$ The acidity of compound $I$ is due to delocalization in the conjugate base.
$(B)$ The conjugate base of compound IV is aromatic.
$(C)$ Compound II becomes more acidic, when it has a $- NO _2$ substituent.
$(D)$ The acidity of compounds follows the order $I > IV > V > II > III$.