The decreasing order of the reactivity of the following compounds towards electrophiles is

Order of reactivity of the following dienes X, Y and Z in Diels-Alder reaction is
Basics of Organic Reaction Mechanism mcq question image

A

X > Z > Y

B

Y > X > Z

C

Y > Z > X

D

X > Y > Z

The decreasing order of acidity of the marked H of the following molecules is
Basics of Organic Reaction Mechanism mcq question image

A

I > II > III

B

III > I > II

C

III > II > I

D

II > I > III

The acylanion equivalents among the following compounds (P-S) are
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A

P and Q

B

Q and R

C

P and S

D

Q and S

Match the following compounds with their respective classes
Basics of Organic Reaction Mechanism mcq question image

A

I:steroid; II:terpenoid; III:alkaloid; IV:DNA base

B

I:terpenoid; II:steroid; III:alkaloid; IV:DNA base

C

I:terpenoid; II:steroid; III:DNA base; IV:alkaloid

D

I:steroid; II:terpenoid; III:DNA base; IV:alkaloid

The absolute configuration for compounds X and Y respectively are
Basics of Organic Reaction Mechanism mcq question image

A

R, S

B

S, R

C

R, R

D

S, S

The correct order of-the basicity of the following compounds is
Basics of Organic Reaction Mechanism mcq question image

A

IV > III > II > I

B

III > IV > I > II

C

IV > III > I > II

D

III > IV > II > I

In the reaction,
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if the concentration of both the reagents is doubled then the rate of the reaction will

A

remain unchanged

B

quadruple

C

reduce to one fourth

D

double

Which of the statements is correct about the mechanism of the following reaction?
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A

DMSO reacts with the alcohol initially to give
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which reacts with (COCl₂)

B

(COCl₂) reacts with the alcohol initially to give
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which reacts with DMSO

C

DMSO reacts with (COCl)₂ initially to give
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which reacts with the alcohol

D

(COCl₂) reacts with DMSO initially to give
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which reacts with the alcohol

The major product of the following reaction is
Basics of Organic Reaction Mechanism mcq question image

A

B

C

D

In the reaction,
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the major product X is

A

B

C

D

The decreasing order of the reactivity of the following compounds towards electrophiles is

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