Gamma Question Bank for Medical Chemistry>Chapter 18 - Chemical Kinetics>Assignment>Q 8

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Consider the data below for a reaction $A \to B$

Time (sec) 0 10 20 30

Rate $1.60 \times 10^{- 2}$ $1.60 \times 10^{- 2}$ $1.60 \times 10^{- 2}$ $1.59 \times 10^{- 2}$

From the above data the order of reaction is

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Important Questions on Chemical Kinetics

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Gamma Question Bank for Medical Chemistry>Chapter 18 - Chemical Kinetics>Assignment>Q 9

For a homogeneous gaseous reaction

A \to B + C + D

, the initial pressure was

P_{0}

while pressure after time

' t'

was

P

if

(P > P_{0})

. The expression for the rate constant

K

is

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Gamma Question Bank for Medical Chemistry>Chapter 18 - Chemical Kinetics>Assignment>Q 10

Inversion of a sugar follows first order rate equation which can be followed by noting the change in rotation of the plane of polarization of light in the polarimeter. If

r_{\infty}, r_{t}

and

r_{0}

are the rotations at

t = \infty, t = t

and

t = 0

then, first order reaction can be written as

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Gamma Question Bank for Medical Chemistry>Chapter 18 - Chemical Kinetics>Assignment>Q 11

The rate constant of the production of $2 B(g)$ by the reaction, $A (g) \overset{Δ}{⟶} 2 B (g)$ is $2.48 \times 10^{- 4} s^{- 1}$

A $1 : 1$ molar ratio of $A$ to $B$ in the reaction mixture is attained after

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Gamma Question Bank for Medical Chemistry>Chapter 18 - Chemical Kinetics>Assignment>Q 12

Two substances

A

and are present such that

[A]_{0} = 4 [B]_{0}

and half life of

A

is 5 minute and that of

B

is 15 minute. If they start decaying at the same time following first order kinetics how much time will the concentration of both of them would be the same?

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Gamma Question Bank for Medical Chemistry>Chapter 18 - Chemical Kinetics>Assignment>Q 13

The reaction

A ⟶ B

follows first order kinetics. The time taken for

0.80

mole of A to produce

0.60

mole of

B

is 1 hour. What is the time taken for conversion of

0.90

mole of

A

to produce

0.675

mole of

B

?

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Gamma Question Bank for Medical Chemistry>Chapter 18 - Chemical Kinetics>Assignment>Q 14

If

Question Image

find $B %$

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Gamma Question Bank for Medical Chemistry>Chapter 18 - Chemical Kinetics>Assignment>Q 15

The graph between the

logK

versus

\frac{1}{T}

is a straight line. The slope of the line is

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Gamma Question Bank for Medical Chemistry>Chapter 18 - Chemical Kinetics>Assignment>Q 16

The temperature coefficient for most of the reaction lies between