The compound that does not give an iodoform test is:

1. 3-Pentanone

2.  2-Pentanone

3.  Ethanol

4.  Ethanal

A molecule among the following that does not give Claisen condensation reaction is:

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

2. ${\text{C}}_6{\mathrm{H}}_5{\mathrm{CH}}_2{\mathrm{COOC}}_2{\mathrm{H}}_5$ 

3. ${\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{COOC}}_2{\mathrm{H}}_5$

4.  None of the above

Ethylbenzene is obtained from phenyl methyl ketone by using:

1. Zn–Hg+HCl

2. LiAlH₄

3. KMnO₄

4. None of the above

Clemmensen reduction reaction is:

1.
2.	\(C_6H_5-CO-CH_3 + NH_2NH_2 \xrightarrow{C_2H_5ONa}\\ C_6H_5CH_2CH_3\)
3.	\(CH_3COCH_3 + 4HI \xrightarrow{\text{Red. P}} CH_3CH_2CH_3\)
4.	All of the above