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Question

S1 : Bond order of O−2 is more than O+2
S2 : NO+ is more stable than N+2
S3 : C2 is more stable than C+2
State, in order, whether S1, S2, S3 are true or false ?



A
FFT
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B
TTT
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C
TFT
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D
FTT
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Solution

The correct option is D FTT

Bond order of O2 = 1.5
Bond order of O+2 = 2.5
Bond order of O2 is less than Bond order of O+2.
Hence, S2 is false.

Bond order of NO+ = 3
Bond order of N+2 = 2.5
Bond order α Stability of molecules/ions
So, NO+ is more stable than N+2.
Hence, S3 is true.

Bond order of C2 = 2
Bond order of C+2 = 1.5
So, C2 is more stable than C+2.
Hence, S4 is true.
the correct option is (d).


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