Among the following identify the compounds which can be dehydrated very easily:

1.	CH3CH2CH2CH2CH2OH
2.
3.
4.

Which of the following statement is correct for the stability of ions of ethyl alcohol and phenol:

1. Delocalization of $\mathrm{\pi }$-electrons in phenoxide ion

2. Delocalization of electrons in ethoxide ion

3. Inductive effect of ethyl and phenyl group

4. Localization of σ-electrons in phenoxide ion

Which of the following compounds produces methyl alcohol on treatment with hot concentrated HI?

1.
2.
3.
4.

A sweet-smelling compound formed by reacting acetic acid with ethanol in the presence of hydrochloric acid is:

1. ${\mathrm{CH}}_3{\mathrm{COOC}}_2{\mathrm{H}}_5$

2. ${\mathrm{C}}_2{\mathrm{H}}_5\mathrm{COOH}$

3. ${\mathrm{C}}_2{\mathrm{H}}_5{\mathrm{COOCH}}_3$

4. ${\mathrm{CH}}_3\mathrm{OH}$