NEET 2016 Phase 1 | Chemical Kinetics Question 25 | Chemistry

NEET 2016 Phase 1

MCQ (Single Correct Answer)

-1

The rate of first-order reaction is 0.04 mol L^$$-$$1 s^$$-$$1 at 10 seconds and 0.03 mol L^$$-$$1 s^$$-$$1 at 20 seconds after initiation of the reaction. The half-life period of the reaction is

44.1 s

54.1 s

24.1 s

34.1 s

NEET 2016 Phase 1

MCQ (Single Correct Answer)

-1

The addition of a catalyst during a chemical reaction alters which of the following quantities?

Enthalpy

Activation energy

Entropy

Internal energy

AIPMT 2015

MCQ (Single Correct Answer)

-1

The rate constant of the reaction A $$ \to $$ B is 0.6 $$ \times $$ 10^$$-$$3 mol L^$$-$$1 s^$$-$$1. If the concentration of A is 5 M, then concentration of B after 20 minutes is

3.60 M

0.36 M

0.72 M

1.08 M

AIPMT 2015 Cancelled Paper

MCQ (Single Correct Answer)

-1

The activation energy of a reaction can be determined from the slope of which of the following graphs?

ln k vs. $${1 \over T}$$

$${T \over {\ln \,k}}$$ vs. $${1 \over T}$$

ln k vs. $$T$$

$${{\ln k} \over T}$$ vs. $$T$$

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Biology

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Human Health and Diseases Body Fluids and Its Circulation Locomotion and Movement Neural Control and Coordination Reproduction in Organisms Reproductive Health Structural Organisation in Animals Digestion and Absorption Excretory Products and Their Elimination Chemical Coordination and Integration Human Reproduction Animal Kingdom Breathing and Exchange of Gases Evolution