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Factors Affected by Hydrogen Bonding

Assuming 2s...

Question

Assuming $2 s - 2 p$ is NOT operative, the paramagnetic species among the following is :

{B e}_{2}

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B_{2}

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C_{2}

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N_{2}

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Solution

The correct option is C $C_{2}$

$C_{2}$ is the answer because the electronic configuration of carbon molecule is-

$1 s_{2} 1 s_{2} 2 s_{2} 2 s_{2} 2 p z_{2} π 2 p x_{1} π 2 p y_{1}$

the electrons are unpaired in bonding molecular orbital.

rest in all other molecule the electrons are paired all other are dimagnetic.

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Similar questions

(2 s - 2 p)

2 s - 2 p

Assuming 2s - 2p mixing is not operative the paramagnetic species among the following is:

H_{2}

{H e}_{2}^{+}

{L i}_{2}

{B e}_{2}

B_{2}

C_{2}

N_{2}

O_{2}^{-}

F_{2}

H = 1

H e = 2

L i = 3

B e = 4

B = 5

C = 6

N = 7

O = 8

F = 9

H_{2}, H_{2}^{+}, L i_{2}, B e_{2}, B_{2}, C_{2}, O_{2}^{-},

N_{2}

F_{2}

H = 1, H e = 2, L i = 3, B e = 4, B = 5, C = 6, N = 7, O = 8, F = 9)

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