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Topic Question Set

Q 21 :

Iodoform test can differentiate between

A. Methanol and Ethanol
B. CH3COOH and CH3CH2COOH
C. Cyclohexene and cyclohexanone
D. Diethyl ether and Pentan-3-one
E. Anisole and acetone

Choose the correct answer from the options given below:   [2026]

  • A & D Only

     

  • B, C & E Only

     

  • A, B & E Only

     

  • A & E Only

     

(4)

 

Q 22 :

Given below are two statements :

Statement I : Compound (X), shown below, dissolves in NaHCO₃ solution and has two chiral carbon atoms
.

Statement II : Compound (Y), shown below, has two carbons with sp³ hybridization, one carbon with sp² and one carbon with sp hybridization . 

In the light of the above statements, choose the correct answer from the options given below : [2026]

  • Both Statement I and Statement II are false

     

  • Statement I is true but Statement II is false

     

  • Both Statement I and Statement II are true

     

  • Statement I is false but Statement II is true

     

(4)

 

Q 23 :

Match List – I with List – II

 

List – I

 

List – II

 

Reagents

 

Reaction Name (Involving aldehydes)

A.

H₂, Pd–BaSO₄

I.

Etard Reaction

B.

SnCl₂, HCl

II.

Rosenmund Reduction

C.

CrO₂Cl₂, CS₂

III.

Gatterman – Koch Reaction

D.

CO, HCl, Anhyd. AlCl₃

IV.

Stephen Reaction

Choose the correct answer from the options given below:       [2026]

  • A–II, B–IV, C–I, D–III

     

  • A–IV, B–I, C–II, D–III

     

  • A–II, B–III, C–IV, D–I

     

  • A–IV, B–III, C–I, D–II

     

(1)

 

Q 24 :

Given below are the four isomeric compounds (P, Q, R, S)

Identify correct statements from below.

A. Q, R and S will give precipitate with 2, 4 – DNP.
B. P and Q will give positive Baeyer’s test.
C. Q and R will give sooty flame.
D. R and S will give yellow precipitate with I2​ / NaOH.
E. Q alone will deposit silver with Tollen’s reagent

Choose the correct option.    [2026]

  • A, B, D and E only

     

  • A and E only

     

  • A, C and E only

     

  • C and E only

     

(3)