1
MHT CET 2023 9th May Morning Shift
+1
-0

Which from following is the slope of the graph of rate versus concentration of the reactant for first order reaction?

A
$$-\mathrm{k}$$
B
$$\mathrm{k}$$
C
$$\frac{\mathrm{k}}{2.303}$$
D
$$\frac{-\mathrm{k}}{2.303}$$
2
MHT CET 2023 9th May Morning Shift
+1
-0

Calculate the amount of reactant in percent that remains after 60 minutes involved in first order reaction. $$\left(\mathrm{k}=0.02303\right.$$ minute $$\left.^{-1}\right)$$

A
$$25 \%$$
B
$$75 \%$$
C
$$50 \%$$
D
$$12.5 \%$$
3
MHT CET 2023 9th May Morning Shift
+1
-0

The rate for reaction $$\mathrm{A}+\mathrm{B} \rightarrow$$ product, is $$1.8 \times 10^{-2} \mathrm{~mol} \mathrm{~dm}^{-3} \mathrm{~s}^{-1}$$. Calculate the rate constant if the reaction is second order in $$\mathrm{A}$$ and first order in $$\mathrm{B}$$. ($$[\mathrm{A}]=0.2 \mathrm{M} ;[\mathrm{B}]=0.1 \mathrm{M}$$)

A
$$9.0 \mathrm{~mol}^{-2}~\mathrm{dm}^6 \mathrm{~s}^{-1}$$
B
$$18.0 \mathrm{~mol}^{-2} ~\mathrm{dm}^6 \mathrm{~s}^{-1}$$
C
$$4.5 \mathrm{~mol}^{-2} ~\mathrm{dm}^6 \mathrm{~s}^{-1}$$
D
$$16.0 \mathrm{~mol}^{-2} ~\mathrm{dm}^6 \mathrm{~s}^{-1}$$
4
MHT CET 2021 21th September Evening Shift
+1
-0

For a first order reaction, intercept of the graph between $$\mathrm{\log\frac{[A]_o}{[A]_t}}$$(Y-axis) and conc. (X-axis) is equal to

A
$$\mathrm{-\frac{k}{2.303~K}}$$
B
$$\mathrm{-\log[A]_o}$$
C
zero
D
$$\mathrm{\frac{2.303}{K}}$$
MHT CET Subjects
Physics
Mechanics
Optics
Electromagnetism
Modern Physics
Chemistry
Physical Chemistry
Inorganic Chemistry
Organic Chemistry
Mathematics
Algebra
Trigonometry
Calculus
Coordinate Geometry
EXAM MAP
Joint Entrance Examination