The hybridisation of the negatively charged c | vedclass

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(B) In structure $(1)$, the carbon atom in $CH_3^-$ is bonded to $3$ hydrogen atoms and has $1$ lone pair. The steric number is $3 + 1 = 4$, which cor

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$sp^3$ and $sp^2$

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(B) In structure $(1)$, the carbon atom in $CH_3^-$ is bonded to $3$ hydrogen atoms and has $1$ lone pair. The steric number is $3 + 1 = 4$, which corresponds to $sp^3$ hybridisation.In structure $(2)$, the carbon atom in $H_2C^-$ is adjacent to a carbonyl group $(C=O)$. The negative charge is delocalised through resonance with the carbonyl group, making the carbon atom $sp^2$ hybridised to allow for the overlap of the $p$-orbital with the $\pi$-system.

The hybridisation of the negatively charged carbon atoms in $(1)$ and $(2)$ are:
$(1)$ $CH_3^-$
$(2)$ $H_2C^- - CHO - CH_3$

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The hybridisation of the negatively charged carbon atoms in $(1)$ and $(2)$ are:$(1)$ $CH_3^-$$(2)$ $H_2C^- - CHO - CH_3$