GATE XL format:mcq PYQs & Answers — Page 64

Questions 631–640 of 812. Imported answers require independent review unless marked reviewed.

Topic practice 812 questionsPage 64 of 82

Hybridization of xenon in XeF

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

Among B–H, C–H, N–H and Si–H bonds in BH

, CH

, NH

and SiH

, respectively, the polarity of the bond which is shown INCORRECTLY is

Your answerChoose one option.

–H

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

Among the following statements, (i) [NiCl

]

(atomic number of Ni = 28) is diamagnetic (ii) Ethylene is a weaker Lewis base compared to pyridine (iii) [NiCl

{P(C

)

}

] has two geometrical isomers (iv) Bond angle in H

O is greater than that in H

S, the CORRECT one is

Your answerChoose one option.

(i)

(ii)

(iii)

(iv)

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

In [Mn(H

]

(atomic number of Mn = 25), the d-d transitions according to crystal field theory (CF) are

Your answerChoose one option.

Laporte forbidden and spin forbidden

Laporte allowed and spin allowed

Laporte forbidden and spin allowed

Laporte allowed and spin forbidden

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

The major product M in the reaction

Your answerChoose one option.

Diagram for Life Sciences question 9 (figure 2)

Diagram for Life Sciences question 9 (figure 3)

Diagram for Life Sciences question 9 (figure 4)

Diagram for Life Sciences question 9 (figure 5)

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

The two major products of the reaction

are

Your answerChoose one option.

Diagram for Life Sciences question 10 (figure 2)

Diagram for Life Sciences question 10 (figure 3)

Diagram for Life Sciences question 10 (figure 4)

Diagram for Life Sciences question 10 (figure 5)

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

The compound, which upon mono-nitration using a mixture of HNO₃ and H₂SO₄, does NOT give the meta-isomer as the major product, is

Your answerChoose one option.

Diagram for Life Sciences question 11 (figure 2)

Diagram for Life Sciences question 11 (figure 3)

Diagram for Life Sciences question 11 (figure 4)

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

The standard reduction potential (E°) for the conversion of Cr₂O₇²⁻ to Cr³⁺ at 25 °C in an aqueous solution of pH 3.0 is 1.33 V. The concentrations of Cr₂O₇²⁻ and Cr³⁺ are 1.0 × 10⁻⁴ M and 1.0 × 10⁻³ M, respectively. Then the potential of this half-cell reaction is (Given: Faraday constant = 96500 C mol⁻¹, Gas constant R = 8.314 J K⁻¹ mol⁻¹)

Your answerChoose one option.

1.04 V

0.94 V

0.84 V

0.74 V

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

To which one of the following classes of enzymes does chymotrypsin belong?

Your answerChoose one option.

Oxidoreductase

Hydrolase

Transferase

Isomerase

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

The substrate saturation profile of an enzyme that follows Michaelis-Menten kinetics is depicted in the figure. What is the order of the reaction in the concentration range between 0.8 to 1.4 M?

Your answerChoose one option.

Zero

Fraction

First

Second

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

GATE XL format:mcq PYQs

Question 3

Question 6

Question 7

Question 8

Question 9

Question 10

Question 11

Question 12

Question 1

Question 2