Complete GATE CY 2017 Paper 1 overview, original pages and practice · Timed previous-paper practice

Questions 28–30 of 65. Imported answers require review unless explicitly marked reviewed.

Paper practice 65 questionsPage 10 of 22

Question 28

Open question
CYNAT2 marksNeeds review
Under physiological conditions, the conversion of CO

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

) has a turnover number of

s

. 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)

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Question 29

Open question
CYNAT2 marksNeeds review
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 __________

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Question 30

Open question
CYNAT2 marksNeeds review
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)

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