GATE CY year:2023 PYQs & Answers — Page 3

Questions 21–30 of 65. Imported answers require independent review unless marked reviewed.

Topic practice 65 questionsPage 3 of 7

Wacker oxidation of alkenes is catalyzed by a combination of

Your answerChoose one option.

Pd(II) and Cu(II)

Co(II) and Cu(II)

Pd(II) and Ni(II)

Pd(II) and Co(II)

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

For the conversion of [Pt(L)Cl₃]⁻ to trans-[Pt(L)Cl₂(H₂O)], the trans-effect is LEAST when the ligand L is

Your answerChoose one option.

H₂O

NH₃

DMSO

C₂H₄

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The tetracoordinated copper center in the oxidized and reduced forms of plastocyanin exhibits longest bond with

Your answerChoose one option.

cysteine-S and methionine-S, respectively

methionine-S and cysteine-S, respectively

cysteine-S and cysteine-S, respectively

methionine-S and methionine-S, respectively

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The packing efficiency (in %) of spheres for a body-centered cubic (bcc) lattice is approximately

Your answerChoose one option.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The magnitudes of CFSE in [M(H₂O)₆]ⁿ⁺ for Mn and Fe ions satisfy the relations

Your answerChoose one option.

Mn²⁺ < Mn³⁺ and Fe²⁺ < Fe³⁺

Mn²⁺ > Mn³⁺ and Fe²⁺ > Fe³⁺

Mn²⁺ < Mn³⁺ and Fe²⁺ > Fe³⁺

Mn²⁺ > Mn³⁺ and Fe²⁺ < Fe³⁺

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

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)

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Point group of naphthalene (C₁₀H₈) is

Your answerChoose one option.

D₂d

D₂h

D₃d

D₃h

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The INCORRECT statement is

Your answerChoose one option.

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

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

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

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

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

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

GATE CY year:2023 PYQs

Question 21

Question 22

Question 23

Question 24

Question 25

Question 26

Question 27

Question 28

Question 29

Question 30