GATE CY topic:chemical-sciences PYQs & Answers — Page 23

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topic:chemical-sciences

Questions 221–230 of 650. Imported answers require independent review unless marked reviewed.

Topic practice 650 questionsPage 23 of 65

The organometal catalyst for the following transformation is

Your answerChoose one option.

Diagram for Chemistry question 26 (figure 2)

Diagram for Chemistry question 26 (figure 3)

Diagram for Chemistry question 26 (figure 4)

Diagram for Chemistry question 26 (figure 5)

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Point group of naphthalene (C₁₀H₈) is

Your answerChoose one option.

D₂d

D₂h

D₃d

D₃h

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The INCORRECT statement is

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Zero-point energy of a quantum mechanical harmonic oscillator of frequency ν is

Energy level of a quantum mechanical rigid rotor is inversely proportional to its moment of inertia

The time independent Schrödinger equation for Li²⁺ can be solved exactly

Total angular momentum of an atomic system is equal to the sum of orbital angular momentum and spin angular momentum

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For an ideal gas, the molecular partition function in the canonical ensemble, that is proportional to the system volume (V), is the

Your answerChoose one option.

vibrational partition function

rotational partition function

electronic partition function

translational partition function

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Assertion (S): The total angular momentum for light atoms (low atomic number) is obtained by Russell-Saunders coupling, whereas jj-coupling is used for heavy atoms (high atomic number).

Reasoning (R): The spin-orbit interactions are weak in light atoms (low atomic number) and strong in heavy atoms (high atomic number).

The correct option is

Your answerChoose one option.

S and R are true; and R is the correct reason for S

S and R are true; but R is NOT the correct reason for S

S is true but R is false

S is false but R is true

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The acetolysis product(s) of the given reaction is(are)

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Diagram for Chemistry question 31 (figure 2)

Diagram for Chemistry question 31 (figure 3)

Diagram for Chemistry question 31 (figure 4)

Diagram for Chemistry question 31 (figure 5)

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Product(s) formed in the given reaction is(are)

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Diagram for Chemistry question 32 (figure 2)

Diagram for Chemistry question 32 (figure 3)

Diagram for Chemistry question 32 (figure 4)

Diagram for Chemistry question 32 (figure 5)

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The choice(s) that correctly identify radionuclides (P, Q, R, S) shown in the following nuclear reaction is(are)

Your answerSelect all correct options. You can choose more than one.

P =

Q =

R =

S =

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For the Lindemann-Hinshelwood mechanism of gas phase unimolecular reactions, the true statement(s) is(are)

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Only molecules with three or more atoms can follow the Lindemann-Hinshelwood mechanism

Lindemann-Hinshelwood mechanism involves bimolecular elementary steps

The overall reaction is of second order at low pressure

The overall reaction is of second order at high pressure

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The calculated magnetic moment of

is ______ BM. (rounded off to two decimal places)

(Given: atomic number of Ce is 58)

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GATE CY topic:chemical-sciences PYQs

Question 26

Question 27

Question 28

Question 29

Question 30

Question 31

Question 32

Question 33

Question 34

Question 35