1
MHT CET 2021 23th September Morning Shift
+1
-0

The rate law equation for a reaction between $$\mathrm{A}, \mathrm{B}$$ and $$\mathrm{C}$$ is $$\mathrm{r}=\mathrm{k}[\mathrm{A}][\mathrm{B}][\mathrm{C}]^2$$, what will be ne rate of reaction if concentration of both $$\mathrm{A}$$ and $$\mathrm{B}$$ are doubled.

A
$$2 \mathrm{r}$$
B
$$4 \mathrm{r}$$
C
$$\mathrm{6 r}$$
D
$$\mathrm{8 r}$$
2
MHT CET 2021 23th September Morning Shift
+1
-0

Time required for $$90 \%$$ completion of a first order reaction is $$t$$. What is the time required for completion of $$99 \%$$ reaction?

A
t
B
2t
C
t1/2
D
3t
3
MHT CET 2021 23th September Morning Shift
+1
-0

The order of reaction for which the units of rate constant are $$\mathrm{mol} \mathrm{~dm}^{-3} \mathrm{~s}^{-1}$$ is

A
2
B
1
C
0
D
3
4
MHT CET 2021 22th September Evening Shift
+1
-0

What is rate constant of a first order reaction if 0.08 mole of reactant reduces to 0.02 mole in 23.03 minute?

A
$$0.2303 \mathrm{~min}^{-1}$$
B
$$1.6021 \mathrm{~min}^{-1}$$
C
$$0.4031 \mathrm{~min}^{-1}$$
D
$$0.06021 \mathrm{~min}^{-1}$$
EXAM MAP
Medical
NEET