Which of the following are known as mercaptans?

1. Thio-alcohols                         

2. Thio-ethers

3. Thio-aldehydes                     

4. Thio-acids

Glycol condenses with ketones to give:

1. Cyclic acetals                   
2. Cyclic ketals
3. Acetaldehyde                   
4. oxalic acid

Salol is used as:

1. antiseptic                               

2. antipyretic

3. both 1. and 2.                     

4. none of these

Given is a reaction for your reference:

\(CH_3CH_2CH_2OH \xrightarrow[160\ - \ 180 ^\circ C]{Conc.\ H_2SO_4}\ X\ \xrightarrow{Br_2}\ Y\)
\( Y\ \xrightarrow[2.\ NaNH_2]{1.\ Alc.\ KOH}\ Z\)

The final product Z is:

1.		2.
3.		4.	\(CH_3-C\equiv CH\)

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: 

1. Na₂CO₃                                 

2. NaOH

3. NaHCO₃                                 

4. KOH

The most acidic alcohol among the following is -

1. Methanol                               

2. Ethanol

3. Isopropyl alcohol                     

4. t-Butyl alcohol

Consider the following reaction,

Phenol$\stackrel{\mathrm{Zn}-\mathrm{dust}}{\to }$X$\underset{\mathrm{Anhy}.{\mathrm{AlCl}}_3}{\overset{{\mathrm{CH}}_3\mathrm{Cl}}{\to }}$Y$\stackrel{\mathrm{Alk}.{\mathrm{KMnO}}_4}{\to }$Z                                     

The product Z is

1. toluene

2. benzaldehyde

3. benzoic acid

4. benzene

The product in the reaction is:

C₂H₅OH $\stackrel{\mathrm{P}+{\mathrm{I}}_2}{\to }$A$\underset{\mathrm{Ether}}{\overset{\mathrm{Mg}}{\to }}$B$\stackrel{\mathrm{HCHO}}{\to }$C$\stackrel{{\mathrm{H}}_2\mathrm{O}}{\to }$D

1. propanal                           

2. butanal

3. n-butanol                         

4.  n-propanol

The compund that reacts fastest with Lucas reagent (at room temperature) is -

1. Butan-1-ol

2. Butan-2-ol

3. 2-Methyl propan-1-ol

4. 2-Methyl propan-2-ol