GATE CY format:mcq PYQs & Answers — Page 3

Questions 21–30 of 394. Imported answers require independent review unless marked reviewed.

Topic practice 394 questionsPage 3 of 40

The major product formed in the following reaction is

Your answerChoose one option.

Diagram for Chemistry question 36 (figure 2)

Diagram for Chemistry question 36 (figure 3)

Diagram for Chemistry question 36 (figure 4)

Diagram for Chemistry question 36 (figure 5)

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The correct match for the protons labeled in compound X in Column M with the corresponding chemical shifts (δ, ppm) in Column N is

Column M: P—H

; Q—H

; R—H

; S—H

Column N: I—7.00 (dd, J = 8.4, 7.3, 1.4 Hz, 1H); II—7.17 (dd, J = 8.4, 1.4 Hz, 1H); III—7.59 (dd, J = 8.4, 7.3, 1.4 Hz, 1H); IV—8.12 (dd, J = 8.4, 1.4 Hz, 1H).

Your answerChoose one option.

P → II; Q → III; R → I; S → IV

P → I; Q → IV; R → II; S → III

P → II; Q → IV; R → I; S → III

P → I; Q → III; R → II; S → IV

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The correct statement about the intermediate formed in the following reaction is

Your answerChoose one option.

Diagram for Chemistry question 38 (figure 2)

is formed through conrotatory opening of X

Diagram for Chemistry question 38 (figure 3)

is formed through disrotatory opening of X

Diagram for Chemistry question 38 (figure 4)

is formed through conrotatory opening of X

Diagram for Chemistry question 38 (figure 5)

is formed through disrotatory opening of X

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The major product formed in the following reaction sequence is

Your answerChoose one option.

Diagram for Chemistry question 39 (figure 2)

Diagram for Chemistry question 39 (figure 3)

Diagram for Chemistry question 39 (figure 4)

Diagram for Chemistry question 39 (figure 5)

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Consider the figure given below, where M is a metal and L is a monodentate ligand. The σ-bonding ligand group orbital (LGO) having same symmetry with

orbital of M in the octahedral coordination geometry is

Your answerChoose one option.

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The correct electronic configuration of central metal ion in ferrocene with z-axis passing through the centre of two

rings and the metal ion is

Your answerChoose one option.

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The pair of complex ions that exhibits the slowest outer-sphere electron-exchange reaction at 25 °C is

Your answerChoose one option.

and

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The structure of

is given below. Its

number is

Your answerChoose one option.

4012

4102

2104

2014

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For the following reaction,

The correct option showing the number of phases (P), number of components (C) and degrees of freedom (F) is

Your answerChoose one option.

P = 3, C = 2, F = 1

P = 3, C = 3, F = 2

P = 2, C = 3, F = 3

P = 2, C = 2, F = 2

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The correct option for the average value of kinetic energy and the average value of potential energy of a one-dimensional harmonic oscillator with frequency

in its ground state is

Your answerChoose one option.

and

, respectively

and

, respectively

and

, respectively

and

, respectively

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GATE CY format:mcq PYQs

Question 36

Question 37

Question 38

Question 39

Question 40

Question 41

Question 42

Question 43

Question 44

Question 45