Calculate the total number of molecules that will possess fractional bond order among the following molecules
$O_{2}^{2 +}, N_{2}^{2 +}, O_{2}^{+}, N O, C O, C O^{+}, O_{2}^{-}, N O^{2 +}, C N^{-}, N O^{2 -}, N_{2}^{-}$

7

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5

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10

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3

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Solution

The correct option is A $7$

$B o n d o r d e r = \frac{1}{2} \times (b o n d i n g e^{-} - a n t i b o n d i n g e^{-})$

mass molecular configuration molecules

$⩽ 14$ $σ 1 s, σ^{} 1 s, σ 2 s, σ 2 s^{}, π (p_{x} = P_{y}), σ p_{z}, π^{} (p_{x} = P_{y}), σ^{} p_{z}$ N ₂^{2 +}
CO
CO ⁺
CN ⁻
N₂⁻

$> 14$ $σ 1 s, σ^{} 1 s, σ 2 s, σ 2 s^{}, σ p_{z}, π (p_{x} = P_{y}), π^{} (p_{x} = P_{y}), σ^{} p_{z}$ O₂^{2 +}
O₂⁺
NO
O₂⁻
NO ² ⁺
NO ² ⁻

$O_{2}^{+} = 2.5$ , $N O = 2.5$ , $C O^{+} = 3.5$

$O_{2}^{-} = 1.5$ , $N O^{2 +} = 2.5$ , $N O^{2 -} = 1.5$

$N_{2}^{-} = 2.5$

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Similar questions

Calculate the total number of molecules that will possess fractional bond order among the following molecules
$O_{2}^{2 +}, N_{2}^{2 +}, O_{2}^{+}, N O, C O, C O^{+}, O_{2}^{-}, N O^{2 +}, C N^{-}, N O^{2 -}, N_{2}^{-}$

Among the following the total no. of species which are paramagnetic

$O_{2}, S_{2}, C N^{-}, N O^{+}, O_{2}^{2 +}, O_{2}^{2 -}, B_{2}, N_{2}^{2 -}, O_{2}^{+}, N O, N O_{2}, N_{2} O$ ___

Q. Number of paramagnetic molecules from the following are:

C N^{-}, N O, O_{2}^{2 -}, O_{2}, N O_{2}, O_{2}^{-}, B_{2}, C_{2}, F_{2}^{-}

Q. How many of the species are paramagnetic?

N_{2} O, N O, N O_{2}, O_{2}, N O_{2}^{+}, N O^{+}, C O^{+}

Q. There are some species given below.

(i) O_{2}^{+} (i i) C O (i i i) B_{2} (i v) O_{2}^{-}

(v) N O^{+} (v i) H e_{2}^{+} (v i i) C_{2}^{2 +} (v i i i) C N^{-}

(i x) N_{2}^{-}

Total number of species which have their fractional bond order.

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mass	molecular configuration	molecules
$⩽ 14$	$σ 1 s, σ^{} 1 s, σ 2 s, σ 2 s^{}, π (p_{x} = P_{y}), σ p_{z}, π^{} (p_{x} = P_{y}), σ^{} p_{z}$	N ₂^{2 +} CO CO ⁺ CN ⁻ N₂⁻
$> 14$	$σ 1 s, σ^{} 1 s, σ 2 s, σ 2 s^{}, σ p_{z}, π (p_{x} = P_{y}), π^{} (p_{x} = P_{y}), σ^{} p_{z}$	O₂^{2 +} O₂⁺ NO O₂⁻ NO ² ⁺ NO ² ⁻

Calculate the total number of molecules that will possess fractional bond order among the following molecules O2+2,N2+2,O+2,NO,CO,CO+,O−2,NO2+,CN−,NO2−,N−2

Calculate the total number of molecules that will possess fractional bond order among the following molecules
$O_{2}^{2 +}, N_{2}^{2 +}, O_{2}^{+}, N O, C O, C O^{+}, O_{2}^{-}, N O^{2 +}, C N^{-}, N O^{2 -}, N_{2}^{-}$