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

Relationship between van't Hoff's factor (i) and degree of dissociation $(\alpha)$ is

A
$i=\frac{\alpha-1}{n^{\prime}-1}$
B
$i=\frac{\alpha-1}{1-n^{\prime}}$
C
$\alpha=\frac{1-i}{n^{\prime}-1}$
D
$\alpha=\frac{i-1}{n^{\prime}-1}$
2
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
$1.1 p_1^{\circ}$
3
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
4
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

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