Complete GATE CY 2018 Paper 1 overview, original pages and practice · Timed previous-paper practice

Questions 61–63 of 65. Imported answers require review unless explicitly marked reviewed.

Paper practice 65 questionsPage 21 of 22

Question 51

Open question
CYNAT2 marksNeeds review
The spacing between the two adjacent lines of the microwave spectrum of H³⁵Cl is 6.35 × 10¹¹ Hz. Given that the bond length of D³⁵Cl is 5% greater than that of H³⁵Cl, the corresponding spacing for D³⁵Cl is ______ × 10¹¹ Hz. (Up to two decimal places)

Log in to check the answer

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

Question 52

Open question
CYNAT2 marksNeeds review
For a diatomic vibrating rotor, in vibrational level

and rotational level J, the sum of the rotational and vibrational energies is 11493.6 cm⁻¹. Its equilibrium oscillation frequency is 2998.3 cm⁻¹, anharmonicity constant is 0.0124 and rotational constant under rigid rotor approximation is 9.716 cm⁻¹. The value of J is ____________. (Up to nearest integer)

Log in to check the answer

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

Question 53

Open question
CYNAT2 marksNeeds review
Number of carbonyl groups present in the final product of the following reaction sequence is __________.
Diagram for Chemistry question 53


Log in to check the answer

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