4.Chemical Bonding and Molecular Structure
medium

$N_2, O_2, O_2^-$ પૈકી બંધઉર્જાનો સાચો ક્રમ નીચેના દર્શાવેલી કઈ ગોઠવણીમાં છે ?

A

$N_2 > O_2^- > O_2$

B

$O_2^- > O_2 > N_2$

C

$N_2 > O_2 > O_2^-$

D

$O_2 > O_2^- > N_2$

(JEE MAIN-2014)

Solution

The bond order of $N_2,$ $O_2,$ and $O_2^-$ are respectively $3,2$ and $1.5$

Since higher bond order implies higher bond dissociation energy hence the correct orde will be 

$N_2 > O_2 > O_2^-$ 

Standard 11
Chemistry

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