GATE CY 2025 Paper 1 — page 14

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2025 Paper 1

Complete GATE CY 2025 Paper 1 overview, original pages and practice · Timed previous-paper practice

Questions 40–42 of 65. Imported answers require review unless explicitly marked reviewed.

Paper practice 65 questionsPage 14 of 22

The effective magnetic moment,

value for

taking into account for spin-orbit coupling is closest to

[Given: Atomic number of Cr = 24, spin-orbit coupling constant

, and

]

Your answerChoose one option.

3.79

3.87

4.05

3.60

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The major products X and Y formed in the following reaction sequences are

Your answerChoose one option.

X and Y structures shown in figure

Diagram for Chemistry question 41 (figure 2)

X and Y structures shown in figure

Diagram for Chemistry question 41 (figure 3)

X and Y structures shown in figure

Diagram for Chemistry question 41 (figure 4)

X and Y structures shown in figure

Diagram for Chemistry question 41 (figure 5)

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Compound K displayed a strong band at 1680 cm

in its IR spectrum. Its

H-NMR spectral data are as follows:

(ppm) 7.30 (d, J = 7.2 Hz, 2H), 6.8 (d, J = 7.2 Hz, 2H), 3.8 (septet, J = 7.0 Hz, 1H), 2.2 (s, 3H), 1.9 (d, J = 7.0 Hz, 6H). The correct structure of compound K is

Your answerChoose one option.

Structure shown in figure

Structure shown in figure

Diagram for Chemistry question 42 (figure 2)

Structure shown in figure

Diagram for Chemistry question 42 (figure 3)

Structure shown in figure

Diagram for Chemistry question 42 (figure 4)

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2025 · Paper 1

Question 40

Question 41

Question 42