1
MHT CET 2021 24th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

When $$\mathrm{x} \mathrm{kJ}$$ heat is provided to a system, work equivalent to $$\mathrm{y} \mathrm{J}$$ is done on it. What is internal energy change during this operation?

A
$$(1000 x+y) J$$
B
$$1000(\mathrm{x}+\mathrm{y}) \mathrm{J}$$
C
$$(x+1000 y) J$$
D
$$x+y$$ J
2
MHT CET 2021 24th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

When 2-Chlorobutane is boiled with concentrated alcoholic solution of KOH, the major product formed is

A
But-1-ene
B
But-2-ene
C
Butan-2-ol
D
Butan-1-ol
3
MHT CET 2021 24th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which element from following is a soft element?

A
Mn
B
Zn
C
Co
D
Ni
4
MHT CET 2021 24th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

For the reaction $$\mathrm{A}+\mathrm{B} \rightarrow$$ product, rate of reaction is $$3.6 \times 10^{-2} \mathrm{mol~dm}^{-3} \mathrm{sec}^{-1}$$. When $$[\mathrm{A}]=0.2 \mathrm{~mol} \mathrm{dm}^{-3}$$ and $$[\mathrm{B}]=0.1 \mathrm{~mol} \mathrm{~dm}^{-3}$$, find rate constant of reaction if it is second order with respective to both reactants.

A
$$18 \mathrm{~mol}^{-3} \mathrm{dm}^9 \mathrm{sec}^{-1}$$
B
$$90 \mathrm{~mol}^{-3} \mathrm{dm}^9 \mathrm{sec}^{-1}$$
C
$$72 \mathrm{~mol}^{-3} \mathrm{dm}^9 \mathrm{sec}^{-1}$$
D
$$36 \mathrm{~mol}^{-3} \mathrm{~dm}^9 \mathrm{sec}^{-1}$$
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