AIIMS MBBS 2018 Higher Questions and Answers with Solutions Part 5

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Q: 43. Trien is

(1) Hexa dentate, Mono anionic

(2) Tetradentate, neutral

(3) Tetradentate, dianion

(4) Mono dentate, anion

Ans. (2)

Q: 44.

Title

Description:

electrophone

Electrophone

(1)

electrophone option-A

Electrophone Option-A

(2)

electrophone option-B

Electrophone Option-B

(3)

electrophone option-C

Electrophone Option-C

(4)

electrophone option-D

Electrophone Option-D

Answer: (2)

Solution:

electrophone occurs

Electrophone Occurs

group is more activating so attack of (electrophone)occurs at ortho position of group during ESR

Q: 45. Which is incorrect statement (Exact)?

(1) Amylopectin is insoluble in water

(2) Fructose is reducing sugar

(3) Cellulose is the polymer B-D-glucose

(4) D-ribose sugar present in DNA

Ans. (4)

Solution:

D-ox ribose sugar present in DNA is correct sugar

Q: 46. What is final product

(1)

(2)

(3)

(4)

Ans. (2)

Solution:

Reduces imine into Amine but does not reduces double bond

Q: 47.

The sequence of reagent

The Sequence of Reagent

Title: Q-47-Find the sequence of reagent uses to convert

Description: Q-47-Find the sequence of reagent uses to convert

What is sequence of reagent use to convert following

(1) , ,

(2)

(3)

(4)

Ans. (2)

Solution:

The sequence of reagent

The Sequence of Reagent

Title: Q-47-1-Find the sequence of reagent uses to convert

Description: Q-47-1-Find the sequence of reagent uses to convert

Q: 48. Match the following

The Biodegradable Polymer

The Biodegradable Polymer

Title: Q-48-Find the Biodegradable Polymer

Description: Q-48- Find the Biodegradable Polymer

The Biodegradable Polymer
The Biodegradable Polymer

(I)

Biodegradable Polymer

(P)

3-Hydroxybutanoic acid

(II)

Bakelite

(Q)

Phenol

(III)

Neoprene

(R)

2-chlorobuta-1,3-diene

(IV)

Glyptal

(S)

Phthalic acid

The Biodegradable Polymer
The Biodegradable Polymer

(1)

I. P; II.Q; III. R; IV. S

(2)

I. Q; II.P; III. R; IV. S

(3)

I. P; II.Q; III. R; IV. R

(4)

I. S; II.R; III. P; IV. Q

Ans. (1)

Solution:

(I)

(II)

(III)

(IV)

Q: 49. Order of increasing acidic strength

(1)

(2)

(3)

(4)

Ans. (3)

Solution:

The stable due to Aromaticity

The Stable Due to Aromaticity

Title: Q-49-1-The stable due to Aromaticity

Description: Q-49-1-The stable due to Aromaticity

The Anti Aromatic

The Anti Aromatic

Title: Q-49-2-The Anti Aromatic

Description: Q-49-2- The Anti Aromatic

The Stable by Resonance

The Stable by Resonance

Title: Q-49-3-The Stable by Resonance

Description: Q-49-3- The Stable by Resonance

Acidic nature stability of conjugate anion (Base)

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