1.

Amongst the following, the correct statement(s) is /are

Answer»

NO has one unpaired electron in the antiboding molecular orbital
`NO^(+)` is more stable than `O_(2)^(+)`
`OF^(+)` is more paramagnetic than `Ne_(2)^(+)`
In a `pi` bond, the electron density is conncentrated along the bond axis.

Solution :`NO(15):KK(SIGMA2S)^(2)(sigma***2s)^(2)(sigma2p_(Z))^(2)(pi2p_(x))^(2)`
`=(pi2p_(y))^(2)(pi***2p_(x))^(1)`
`NO^(+)(14):KK(sigma2s)^(2)(sigma***2s)^(2)(sigma2p_(z))^(2)(pi2p_(x))^(2)=(pi2p_(y))^(2)`
B.O. =3.0
`O_(2)^(+)(15):KK(sigma2s)^(2)(sigma***2s)^(2)(sigma2p_(z))^(2)(pi2p_(x))^(2)=(pi2p_(y))^(2)(pi***2p_(x))^(1)`
B.O. =2.5
`OF^(+)(16):KK(sigma2s)^(2)(sigma***2s)^2)(sigma2p_(z))^(2)(pi2p_(x))^(2)=(pi2p_(y))^(2)(pi***2p_(x))^(1)=(pi***2p_(y))^(1)`
`Ne_(2)^(+)(19):KK(sigma2s)^(2)(sigma***2s)^(2)(sigma2p_(z))^(2)(pi2p_(x))^(2)=(pi2p_(y))^(2)`
`=(pi***2p_(x))^(2)=(pi***2p_(y))^(2)(sigma***2p_(z))^(1)`
In a `pi`- bond, the electron density is concentrated in the region PERPENDICULAR tothe bond axis.


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