GATE CY format:nat PYQs & Answers — Page 16

Questions 151–160 of 166. Imported answers require independent review unless marked reviewed.

Topic practice 166 questionsPage 16 of 17

The dependence of rate constant

on temperature

(in K) of a reaction is given by the expression

The activation energy of the reaction (in kJ mol

) is __________ (up to two decimal places)

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

The lowest energy of a quantum mechanical one-dimensional simple harmonic oscillator is 300 cm

. The energy (in cm

) of the next higher level is ________________

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

The hapticity of cycloheptatriene, (C

), in Mo(C

)(CO)

is __________

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

The number of possible stereoisomers for cyclononene is __________

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

The mobility of a univalent ion in aqueous solution is

at 300 K. Its diffusion coefficient at 300 K is

. The value of X is __________ (up to two decimal places)

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

For the following consecutive first order reactions

the time (in seconds) required for Y to reach its maximum concentration (assuming only X is present at time

) is __________ (up to two decimal places)

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

Under physiological conditions, the conversion of CO

to bicarbonate ion by carbonic anhydrase enzyme (MW = 30,000 g mol

) has a turnover number of

. The minimum amount of enzyme (in μg) required to convert 0.44 g of CO

to bicarbonate ions in 100 seconds is __________ (up to two decimal places)

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

Assume 1,3,5-hexatriene to be a linear molecule and model the π electrons as particles in a one-dimensional box of length 0.70 nm. The wavelength (in nm) corresponding to the transition from the ground-state to the first excited-state is __________

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

The standard Gibbs free energy change of the reaction shown below is −2.7 kJ mol

Sn(s) + Pb

= Sn

+ Pb(s)

Given that

is −0.126 V, the value of

in V is __________ (up to two decimal places)

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

The dissociative chemisorption of X

(g) on a metal surface follows Langmuir adsorption isotherm. The ratio of the rate constants of the adsorption and desorption processes is 4.0 atm

. The fractional surface coverage of X(adsorbed) at 1.0 atm pressure is __________ (up to two decimal places)

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

GATE CY format:nat PYQs

Question 7

Question 8

Question 12

Question 25

Question 26

Question 27

Question 28

Question 29

Question 30

Question 31