GATE CY year:2017 PYQs & Answers — Page 2

Questions 11–20 of 65. Imported answers require independent review unless marked reviewed.

Topic practice 65 questionsPage 2 of 7

The lanthanide ion that exhibits color in aqueous solution is

Your answerChoose one option.

La(III)

Eu(III)

Gd(III)

Lu(III)

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The hapticity of cycloheptatriene, (C

), in Mo(C

)(CO)

is __________

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The ν

resonance Raman stretching frequency (in cm

) of the O

coordinated to iron centre in oxy-hemoglobin is nearly

Your answerChoose one option.

1100

850

1550

1950

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The energy band diagram for magnesium is (The hatched and unhatched regions in the figure correspond to filled and unfilled regions of the band, respectively.)

Your answerChoose one option.

Diagram for Chemistry question 14 (figure 2)

Diagram for Chemistry question 14 (figure 3)

Diagram for Chemistry question 14 (figure 4)

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P, F and I represent primitive, face-centered and body-centered lattices, respectively. The lattice types of NaCl and CsCl, respectively, are

Your answerChoose one option.

F and I

F and P

I and P

P and I

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The characteristic feature of an electron spin resonance (ESR) spectrum of frozen aqueous solution of CuSO

·5H

O at 77 K is

Your answerChoose one option.

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The most suitable reagent for the following transformation is

Your answerChoose one option.

Li / Liq. NH₃

PtO₂ / H₂

LiAlH₄

B₂H₆

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The major products M and N formed in the following reactions are

Your answerChoose one option.

Diagram for Chemistry question 18 (figure 2)

Diagram for Chemistry question 18 (figure 3)

Diagram for Chemistry question 18 (figure 4)

Diagram for Chemistry question 18 (figure 5)

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The

NMR spectrum of acetone-d₆ has a signal at 30 ppm as a septet in the intensity ratio

Your answerChoose one option.

1 : 6 : 15 : 20 : 15 : 6 : 1

1 : 3 : 6 : 7 : 6 : 3 : 1

1 : 2 : 3 : 5 : 3 : 2 : 1

1 : 3 : 7 : 10 : 7 : 3 : 1

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The major product formed in the following reaction is

Your answerChoose one option.

Diagram for Chemistry question 20 (figure 2)

Diagram for Chemistry question 20 (figure 3)

Diagram for Chemistry question 20 (figure 4)

Diagram for Chemistry question 20 (figure 5)

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GATE CY year:2017 PYQs

Question 11

Question 12

Question 13

Question 14

Question 15

Question 16

Question 17

Question 18

Question 19

Question 20