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Group the molecules/ ions according to b...

Group the molecules/ ions according to bond order.

A

`(O_(2)^(2-),Li_(2),O_(2)^(2+))(F_(2),N_(2),He_(2)^(2+))`

B

`(F_(2^(1))O_(2)^(2+),N_(2))(O_(2)^(2-),He_(2)^(2+),Li_(2))`

C

`(O_(2)^(-),Li_(2),F_(2),He_(2)^(2+))(N_(2),O_(2)^(2+))`

D

`(Li_(2),F_(2),O_(2)^(2+))(N_(2),O_(2)^(2-),He_(2)^(2_+))`

Text Solution

Verified by Experts

The correct Answer is:
C
Bond order of the group
`{:( "O" _(2)^(-) " has" =1",",Li_2" has "= 1),( "F"_(2)" has" = 1",",He_(2)^(2+)" has " = 1):}`
Similary, `N_(2)` has B.O = 3 and `O_(2)^(2+)` has B.O + 3, ie.all the species `(O_(2)^(-)Li_(2.) F_(2) and He_(2)^(2+))` has B. O = 1 and both the numbers `(N_(2) and O_(2^(2+)))` has B. O .3..
Hence, these can be grouped together.
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