1
MHT CET 2020 19th October Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the range of number of carbon atoms in alkanes found in paraffin wax?

A
$\mathrm{C}_{21}$ to $\mathrm{C}_{30}$
B
$\mathrm{C}_{19}$ to $\mathrm{C}_{20}$
C
$\mathrm{C}_6$ to $\mathrm{C}_8$
D
$\mathrm{C}_{17}$ to $\mathrm{C}_{18}$
2
MHT CET 2020 19th October Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following amines is most basic in nature in aqueous phase?

A
Methylamine
B
Trimethylamine
C
Dimethylamine
D
Ammonia
3
MHT CET 2020 19th October Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following $0-10 \mathrm{~m}$ aqueous solutions will have maximum $\Delta T_f$ value?

A
$\mathrm{C}_{12} \mathrm{H}_{22} \mathrm{O}_{11}$
B
$\mathrm{KI}$
C
$\mathrm{Al}_2\left(\mathrm{SO}_4\right)_3$
D
$\mathrm{NH}_2-\mathrm{CO}-\mathrm{NH}_2$
4
MHT CET 2020 19th October Evening Shift
MCQ (Single Correct Answer)
+1
-0

If boiling point of urea solution is $100.18^{\circ} \mathrm{C}$ and $K_b$ for water is $0.512 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$, molality of solution is (Boiling point of water $=100^{\circ} \mathrm{C}$)

A
$0.6 \mathrm{~mol} \mathrm{~kg}^{-1}$
B
$0.25 \mathrm{~mol} \mathrm{~kg}^{-1}$
C
$0.35 \mathrm{~mol} \mathrm{~kg}^{-1}$
D
$0.45 \mathrm{~mol} \mathrm{~kg}^{-1}$
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