Which is the correct structure of trans-2-hex | vedclass

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(B) The $IUPAC$ name is trans-$2$-hexenal. This indicates a six-carbon chain (hex-) with an aldehyde group $(-CHO)$ at position $1$ and a double bond

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(B) The $IUPAC$ name is trans-$2$-hexenal. This indicates a six-carbon chain (hex-) with an aldehyde group $(-CHO)$ at position $1$ and a double bond at position $2$. The 'trans' configuration means the higher priority groups attached to the double-bonded carbons are on opposite sides. Structure $B$ shows a $6$-carbon chain with the aldehyde at $C1$,a double bond between $C2$ and $C3$,and the alkyl chain extending in a trans-like geometry relative to the aldehyde group.

Which is the correct structure of trans-$2$-hexenal?

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