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Question
Bond enegry of
(N≡N)=948kJMol−1
(P≡P)=481kJMol−1
(N−N)=160kJMol−1
(P−P)=215kJMol−1
Which molecules do not exist?
Bond enegry of
(N≡N)=948kJMol−1
(P≡P)=481kJMol−1
(N−N)=160kJMol−1
(P−P)=215kJMol−1
Which molecules do not exist?
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Solution
The correct options are
A N4
D P2
From bond energy value it can be seen that for N, triple bond energy is very high relative to single bond energy so it exists as N≡N.
While for P, single bond energy is high relative to triple bond energy so it exists as P4. (structure II)
A N4
D P2
From bond energy value it can be seen that for N, triple bond energy is very high relative to single bond energy so it exists as N≡N.
While for P, single bond energy is high relative to triple bond energy so it exists as P4. (structure II)
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