Which compound will react with RMgX (Grignard reagent) to form a primary alcohol?

1. \(\mathrm{HCHO }\)
2. \(\mathrm{H_2O}\)
3. \(\mathrm{CO_2}\)
4. \(\mathrm{CH_3CHO}\)

Consider the following reaction, 

Ethanol $\stackrel{{\mathrm{PBr}}_3}{\to }$X$\stackrel{\mathrm{Alc}.\mathrm{KOH}}{\to }$Y$\underset{\left(\mathrm{ii}\right){\mathrm{H}}_2\mathrm{O}, \mathrm{heat}}{\overset{\left(\mathrm{i}\right) {\mathrm{H}}_2{\mathrm{SO}}_4, \mathrm{room} \mathrm{temperature}}{\to }}$Z

The product Z is

1. CH₂=CH₂

2. CH₃CH₂OCH₂CH₃

3. CH₃CH₂OSO₃H

4. CH₃CH₂OH

Glycol condenses with ketones to give:

1. cyclic acetals                   2. cyclic ketals

3. acetaldehyde                   4. oxalic acid

 CH₃-CH₂-CH₂OH$\underset{160-180°\mathrm{C}}{\overset{\mathrm{conc}. {\mathrm{H}}_2{\mathrm{SO}}_4}{\to }}$X$\stackrel{{\mathrm{Br}}_2}{\to }$Y$\underset{2. {\mathrm{NaNH}}_2}{\overset{1. \mathrm{Alc}. \mathrm{KOH}}{\to }}$Z

 'Z'  in the above series is -

Ethyl propanoate on reduction with LiAlH₄ yields:

1. methanol

2. ethanol and propanol

3. propane

4. mixture of ethanol and methanol

Phenol does not react with: 

(a) Na₂CO₃                                 (b) NaOH

(c) NaHCO₃                                 (d) KOH

Which alcohol is most acidic?

1. Methanol                               

2. Ethanol

3. Isopropyl alcohol                     

4. t-butyl alcohol

An alcohol on oxidation is found to give CH₃COOH and CH₃CH₂COOH. The alcohol is:

1. CH₃CH₂CH₂OH

2. (CH₃)₂C(OH)CH₂CH₃

3. CH₃(CH₂)₂CHOH

4. CH₃CH(OH)CH₂CH₂CH₃

Propene, CH₃-CH=CH₂ can be converted into 1-propanol by oxidation. Indicate which set of reagents amongst the following is ideal to affect the above conversion?                         

1. KMnO₄ (alkaline)

2. Osmium tetroxide (OsO₄/CH₂Cl₂)

3. B₂H₆ and alk H₂O₂

4. O₃/Zn

A compound X with molecular formula C₃H₈O can be oxidised to a compound Y with the molecular formula C₃H₆O₂. X is most likely to be:

1. primary alcohol                     

2. secondary alcohol

3. aldehyde                               

4. ketone