1
MHT CET 2024 16th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following species contain 20 electrons?

A
$\mathrm{K}^{+}$
B
Ca
C
Mg
D
Cl
2
MHT CET 2024 16th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A zero order reaction has half life time of 0.2 minute. If initial concentration of reactant is $0.2 \mathrm{~mol} \mathrm{dm}^{-3}$. Find rate constant.

A
$0.2 \mathrm{~mol}^{-1} \mathrm{dm}^3 \mathrm{~min}^{-1}$
B
$0.5 \mathrm{~mol}^{-1} \mathrm{dm}^3 \mathrm{~min}^{-1}$
C
$1.4 \mathrm{~mol}^{-1} \mathrm{dm}^3 \mathrm{~min}^{-1}$
D
$6.0 \mathrm{~mol}^{-1} \mathrm{dm}^3 \mathrm{~min}^{-1}$
3
MHT CET 2024 16th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following is NOT optically active compound?

A
1,2-Diiodobutane
B
1,3-Diiodobutane
C
1,4-Diiodobutane
D
2,3-Diiodobutane
4
MHT CET 2024 16th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the numerical value of gas constant $R$ in terms of $\mathrm{L} \mathrm{atm} \mathrm{K}^{-1} \mathrm{~mol}^{-1}$ ?

A
0.085
B
0.082
C
8.314
D
1.987
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