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Byju's Answer

Standard XII

Chemistry

Shape and Geometry Using VSEPR

In Which of t...

Question

In Which of the following pairs, molecules have bond order three and are isoelectronic?

CN^-, CO

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CO, O₂⁺

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NO⁺, CO⁺

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CN^-, O₂⁺

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Solution

The correct option is A
CN^-, CO

For BO = 3, there should be 14 electrons which are present in CN^- and CO.

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Similar questions

Q. Which of the following have identical bond order?

(

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

)

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

Q. Which of the following molecules/species have identical bond order and same magnetic properties?

(I)

O_{2}

(II)

N O

(III)

N_{2}^{+}

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. Select the correct statement/s among the following?
(a) Order of bond length :

O_{2} < O_{2}^{+} < O_{2}^{- 2} < O_{2}^{+ 2}

(b) Number of

d π - p π

bonds in

S O_{2}

are 2
(c)

X e F_{2}, S O_{3}, X e F_{4}, S C l_{4},

have non-zero dipole moment
(d) Order of ionic nature

L i C l > N a C l > K C l > R b C L > C s C l

(e)

A B_{2} E_{2}

has square planar geometry
(f) Equal number of dative bonds in molecules are

N_{2} O, O_{3}, S O_{2}, B_{3} N_{3} H_{6}, [C u (N H_{3})_{4}] S O_{4}

(g) All electron deficient molecules of ‘B’ in

B_{2} H_{6}

undergo

s p_{2}

hybridization
(h) Central atom in a molecule has

6 b o n d e d p a i r s

and

0 l o n e p a i r s

then geometry is distorted octahedral geometry ___

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In Which of the following pairs, molecules have bond order three and are isoelectronic?

The correct option is A CN-, COFor BO = 3, there should be 14 electrons which are present in CN- and CO.

The correct option is A
CN^-, CO

For BO = 3, there should be 14 electrons which are present in CN^- and CO.