Identify the correct order of bond angle in the following species.
CH3+,CH4,CH3−
A
CH3−>CH4>CH3+
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B
CH4>CH3−>CH3+
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C
CH3+>CH4>CH3−
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D
CH3+>CH3−>CH4
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Solution
The correct option is CCH3+>CH4>CH3− The correct order of the bond angle is CH3+>CH4>CH3−
In CH3+, three bond pairs and zero lone pairs are present which result in sp2 hybridization of C atom with bond angle of 1200. In methane, sp3 hybridization results in tetrahedral geometry with bond angle of 1090. In CH3−, the lone pair of elections repels the bond pair of electrons. Hence, the bond angle is smaller than the tetrahedral angle.