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Topic Question Set

Q 1 :    

The major product of the following reaction is                    [2025]

[IMAGE 180]

  • [IMAGE 181]

     

  • [IMAGE 182]

     

  • [IMAGE 183]

     

  • [IMAGE 184]

     

(4)

[IMAGE 185]

 

Q 2 :    

The major product formed in the following conversion is ______.                 [2023]

[IMAGE 186]

  • [IMAGE 187]

     

  • [IMAGE 188]

     

  • [IMAGE 189]

     

  • [IMAGE 190]

     

(1)

[IMAGE 191]

 

Q 3 :    

Consider the given reaction :

CH3COCH3→dil. Ba(OH)2"X".

The functional groups present in compound "X" are                 [2023]

  • ketone and double bond

     

  • double bond and aldehyde

     

  • alcohol and aldehyde

     

  • alcohol and ketone

     

(4)

[IMAGE 192]

Thus, functional groups present in product ‘X’ are alcohol and ketone.

 

Q 4 :    

Identify product (A) in the following reaction :               [2023]

[IMAGE 193]

  • [IMAGE 194]

     

  • [IMAGE 195]

     

  • [IMAGE 196]

     

  • [IMAGE 197]

     

(3)

[IMAGE 198]

This is Clemmensen reduction reaction.

 

Q 5 :    

Identify the product [D] obtained in the following sequence of reactions.                [2023]

[IMAGE 199]

  • C4H10

     

  • HC≡C¯Na+

     

  • [IMAGE 200]

     

  • [IMAGE 201]

     

(3)

[IMAGE 202]

 

Q 6 :    

Identify the major product obtained in the following reaction.                [2023]

[IMAGE 203]

  • [IMAGE 204]

     

  • [IMAGE 205]

     

  • [IMAGE 206]

     

  • [IMAGE 207]

     

(1)

RCHO+2[Ag(NH3)2]++3OH-⟶RCOO-+2Ag↓+4NH3+2H2O

Both aromatic and aliphatic aldehydes reduce Tollens’ reagent.

[IMAGE 208]

 

Q 7 :    

Match List-I with List-II.                                                                  [2022]

  List-I (Products formed)   List-II (Reaction of carbonyl compound with)
A. Cyanohydrin (i) NH2OH
B. Acetal (ii) RNH2
C. Schiff’s base (iii) Alcohol
D. Oxime (iv) HCN

 

Choose the correct answer from the options given below:

  • (A) - (iii), (B) - (iv), (C) - (ii), (D) - (i)

     

  • (A) - (ii), (B) - (iii), (C) - (iv), (D) - (i)

     

  • (A) - (i), (B) - (iii), (C) - (ii), (D) - (iv)

     

  • (A) - (iv), (B) - (iii), (C) - (ii), (D) - (i)

     

(4)

Aldehydes react with HCN to give cyanohydrin.

Aldehydes react with alcohol to form acetal.

Aldehydes react with amine to give Schiff’s base.

Aldehydes react with NH2OH to give oxime.

Q 8 :    

Which one of the following is not formed when acetone reacts with 2-pentanone in the presence of dilute NaOH followed by heating?          [2022]

  • [IMAGE 209]

     

  • [IMAGE 210]

     

  • [IMAGE 211]

     

  • [IMAGE 212]

     

(2)

When acetone reacts with 2-pentanone in the presence of dil. NaOH, following products are formed:

[IMAGE 213]

 

Q 9 :    

What is the IUPAC name of the organic compound formed in the following chemical reaction?  

Acetone→(ii)H2O,H+(i)C2H5MgBr,dryetherProduct                                      [2021]

  • 2-Methylbutan-2-ol

     

  • 2-Methylpropan-2-ol

     

  • Pentan-2-ol

     

  • Pentan-3-ol

     

(1)

[IMAGE 214]

 

Q 10 :    

Reaction between benzaldehyde and acetophenone in presence of dilute NaOH is known as             [2020]

  • Aldol condensation

     

  • Cannizzaro’s reaction

     

  • Cross Cannizzaro’s reaction

     

  • Cross Aldol condensation

     

(4)

Cross aldol condensation

[IMAGE 215]