Which of the following is not a characteristic of alcohols?
- AThey are lighter than water.
- BTheir boiling points rise fairly uniformly with increasing molecular weight.
- CLower members are insoluble in water and organic solvents,but solubility regularly increases with molecular weight.
- DLower members have a pleasant smell and burning taste,while higher members are odourless and tasteless.
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$CH_3-CH(OAc)-Et$ ($d=$ dextro rotatory) $\xrightarrow{HO^{-}}$ Product of the reaction is
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$(I)$ $C_6H_5CH_2OH$
$(II)$ $O_2N-C_6H_4-CH_2OH$ (para-nitro)
$(III)$ $CH_3O-C_6H_4-CH_2OH$ (para-methoxy)
$(IV)$ $Br-C_6H_4-CH_2OH$ (para-bromo)
The order of decreasing reactivities of these alcohols towards nucleophilic substitution with $HBr$ is:
$(I)$ $C_6H_5CH_2OH$
$(II)$ $O_2N-C_6H_4-CH_2OH$ (para-nitro)
$(III)$ $CH_3O-C_6H_4-CH_2OH$ (para-methoxy)
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The order of decreasing reactivities of these alcohols towards nucleophilic substitution with $HBr$ is:
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