1
MHT CET 2019 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

9 gram anhydrous oxalic acid (mol. $\mathrm{wt} .=90)$ was dissolved in 9.9 moles of water. If vapour pressure of pure water is $p_1^{\circ}$ the vapour pressure of solution is

A
$0.99 p_1^{\circ}$
B
$0.1 p_1^{\circ}$
C
$0.99 p_1^{\circ}$
D
$1.1 p_1^{\circ}$
2
MHT CET 2019 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following sets of solutions of urea ( mol . mass $60 \mathrm{~g} \mathrm{~mol}^{-1}$ ) and sucrose ( mol . mass $342 \mathrm{~g} \mathrm{~mol}^{-1}$ ) is isotonic?

A
$9.1 \mathrm{~gL}^{-1}$ urea and $6.0 \mathrm{~gL}^{-1}$ sucrose
B
$3.0 \mathrm{~gL}^{-1}$ urea and $3.0 \mathrm{~gL}^{-1}$ sucrose
C
$6.0 \mathrm{~gL}^{-1}$ urea and $9.0 \mathrm{~gL}^{-1}$ sucrose
D
$3.0 \mathrm{~gL}^{-1}$ urea and $17.1 \mathrm{~gL}^{-1}$ sucrose
3
MHT CET 2019 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following sets of components form homogeneous mixture?

A
Phenol + Water
B
  Sugar + Benzene
C
Silver chloride + Water
D
Ethyl alcohol + Water
4
MHT CET 2019 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calculate van't Hoff-factor for 0.2 m aqueous solution of KCl which freezes at $-0.680^{\circ} \mathrm{C}$. $\left(K_f=1.86 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}\right)$

A
3.72
B
1.83
C
6.8
D
1.86
MHT CET Subjects
EXAM MAP