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Revision Quiz Chemical Kinetics and Nuclear Chemistry

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Question 1

The slope of the graph plotted between ln K and 1/T comes out be ─3300 K. The activation energy for the reaction is

Question 2

If activation energy of reaction is low, it proceeds at ______ rate?

Question 3

Reaction rates are determined by all of the following factors except:

Question 4

For a first order reaction, the plot of 't' against log C gives a straight line with slope equal to–

Question 5

Bombardment of uranium-235 with a neutron generates tellurium-135, 3 neutrons and?

Question 6

The reaction ⁴¹₂₀Ca → ⁴¹₁₉K + _____ is an example of?

Question 7

The half-life period of a 1^st order reaction is 60 minutes. What percentage will be left over after 240 minutes?

Question 8

Of the following radiations, the one most easily stopped by air is?

Question 9

What is the packing fraction of ⁵⁶₂₆Fe? (Isotopic mass = 55.92066)

Question 10

Calculate mass defect in the following reaction ₁H²+₁H³→₁He⁴+₀n¹
(Given: mass H²=2.014, H³=3.016, He=4.004, n=1.008amu)

Question 11

How long will it take for a 64.0 g sample of Rn-222 (half-life = 3.8235 days) to decay to 8.00 g?

Question 12

The kinetic data for the reaction: 2A + B₂ 2AB⟶are given as:

hence the order of reaction with respect to A and B₂ are, respectively

Question 13

The activation energy of a chemical reaction can be determined by,

Question 14

Different reactions have different rates. The reaction can be made faster or slower by adjusting appropriate variables. The rate of a reaction depends on

Question 15

Which of these reactions is pseudo first order reaction?

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Sep 20JEE & BITSAT