Which of the following species can act as the strongest base?

1. ${}^{⊝}OH$                   

2.${}^{⊝}OR$

3.${}^{⊝}O{C}_6{H}_5$             

4. 

Which of the following compounds will react with sodium hydroxide solution in water?

1.  ${\mathrm{C}}_6{\mathrm{H}}_5\mathrm{OH}$                       

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

3.  ${\left({\mathrm{CH}}_3\right)}_{3}COH$               

4.  ${\mathrm{C}}_2{\mathrm{H}}_5\mathrm{OH}$

Phenol is less acidic than ............. .

1.   Ethanol                         

2.   o-nitrophenol

3.  o-methylphenol             

4.   o-methoxyphenol

The most acidic compound among the following is:
 

1.  Benzyl alcohol                   

2.  Cyclohexanol

3.  Phenol                               

4.  m-Chlorophenol

Mark the correct order of decreasing acid strength of the following compounds. 

1. (V)>(IV)>(II)>(I)>(III)

2. (II)>(IV)>(III)>(I)>(V)

3. (IV)>(V)>(III)>(II)>(I)

4. (V)>(IV)>(III)>(II)>(I)

Mark the correct increasing order of reactivity of the following compounds with HBr / HCl.
  

1.  I < II < III 

2.  II <I < III

3.  II < III < I 

4.  III < II < I 

Arrange the following compounds in increasing order of boiling point.

Propan-1-ol, butan-1-ol, butan-2-ol, pentan-1-ol

1.  Propan-1-ol, butan-2-ol, butan-1-ol, pentan-1-ol

2.  Propan-1-ol, butan-1-ol, pentan-1-ol ,butan-2-ol

3.  Butan-2-ol,propan-1-ol, butan-1-ol, pentan-1-ol

4.  Propan-1-ol, butan-1-ol, butan-2-ol, pentan-1-ol

Reagents used to convert RCHO into  RCH₂OH among the following are:

(a) H₂ /Pd or Pt

(b) LiAIH₄

(c) NaBH₄

(d) Reaction with RMgx followed by hydrolysis

1. (a, b, c)
2. (b, c, d)
3. (a, c, d)
4. (a, b, d)

Reaction(s) among the following can yield phenol:

(a)
(b)
(c)
(d)

Choose the correct option
1. (a, b, c)
2. (b, c, d)
3. (a, c, d)
4. (a, b, d)

Which of the following reagents can be used to oxidize primary alcohols to aldehydes?

I.  ${\mathrm{CrO}}_3$ in anhydrous medium

II.  ${\mathrm{KMnO}}_4$ in acidic medium

III.  Pyridinium chlorochromate

IV.  Heat in the presence of Cu at 573K

Choose the correct option
1. (I, II, III)
2. (II, III, IV)
3. (I, III, IV)
4. (I, II, IV)