(A) Alkanols (alcohols) are derivatives of alkanes where one hydrogen atom is replaced by a hydroxyl $(-OH)$ group.The general formula for an alkane i

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(A) Alkanols (alcohols) are derivatives of alkanes where one hydrogen atom is replaced by a hydroxyl $(-OH)$ group.The general formula for an alkane is $C_nH_{2n+2}$.Replacing one $H$ with $OH$ gives $C_nH_{2n+1}OH$,which simplifies to $C_nH_{2n+2}O$.Thus,the correct general molecular formula is $C_nH_{2n+2}O$.