The statement “Aconcentrated solution contains a large proportion of solute relative to thesolvent.” is true. It means that the amount of solute molecules present in thatsolution is greater than the amount of solvent molecules present in thatsolution.
The longer the alkyl chain is, the lesser the reactivity of the alcohol and vice versa.
Alcohols are substances that possess the -OH functional groups. We know that the reactivity of the alcohol depends on the length of the alkyl group.
Now, the longer the alkyl chain is, the lesser the reactivity of the alcohol and vice versa. This is why the rate of reaction of high molecular weight alcohols is low.
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