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Sigma Bond and Pi Bond

N2O is isoele...

Question

$N_{2} O$ is isoelectronic with $C O_{2}$ and ${N_{3}}^{-}$ , how many $N - O - N$ linkages is/are present in $N_{2} O$ ?

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Solution

$N_{2} O$ is isoelectronic with $C O_{2}$ and $N_{3}^{-}$ . So, all contain $44$ valence electrons. There are no $N - O - N$ linkages present in $N_{2} O$ as can be seen from their structures.

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Q. How many pairs of the below following species are isoelectronic?

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946, 418, 498

607 k J / m o l

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△_{f} H^{\circ}

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, standard bond enthalpies of

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946, 418, 498

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