(D) The structure of the compound is methyl phenylpropiolate,$C_6H_5-C \equiv C-COOCH_3$.$(i)$ The $sp^{2}$ hybridised carbon atoms are the $6$ carbon

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(D) The structure of the compound is methyl phenylpropiolate,$C_6H_5-C \equiv C-COOCH_3$.$(i)$ The $sp^{2}$ hybridised carbon atoms are the $6$ carbon atoms of the benzene ring and the $1$ carbonyl carbon atom $(C=O)$. Total $sp^{2}$ hybridised carbon atoms = $6 + 1 = 7$.$(ii)$ The $\pi$ bonds are: $3$ from the benzene ring,$2$ from the triple bond $(C \equiv C)$,and $1$ from the carbonyl group $(C=O)$. Total $\pi$ bonds = $3 + 2 + 1 = 6$.

Class 11 Chemistry 1 Organic Chemistry: Classification and Nomenclature of Organic Compounds Bonding and hybridisation in organic compounds

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How many $(i)$ $sp^{2}$ hybridised carbon atoms and $(ii)$ $\pi$ bonds are present in the following compound?

NEET 2020 All NEET

A
$8, 5$
B
$7, 5$
C
$8, 6$
D
$7, 6$

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1 Organic Chemistry: Classification and Nomenclature of Organic Compounds

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Bonding and hybridisation in organic compounds

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