1
KCET 2025
MCQ (Single Correct Answer)
+1
-0

180 g of glucose, $\mathrm{C}_6 \mathrm{H}_{12} \mathrm{O}_6$, is dissolved in 1 kg of water in a vessel. The temperature at which water boils at 1.013 bar is _________ (given, $\mathrm{K}_{\mathrm{b}}$ for water is $052 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$. Boiling point for pure water is 373.15 K )

A
373.67 K
B
373015 K
C
373.0 K
D
373.202 K
2
KCET 2025
MCQ (Single Correct Answer)
+1
-0

If $N_2$ gas is bubbled through water at 293 K , how many moles of $N_2$ gas would dissolve in 1 litre of water? Assume that $\mathrm{N}_2$ exerts a partial pressure of 0.987 bar.

[Given $\mathrm{K}_{\mathrm{H}}$ for $\mathrm{N}_2$ at 293 K is 76.48 K bar ]

A
$0.716 \times 10^{-3}$
B
$7.16 \times 10^{-5}$
C
$7.16 \times 10^{-4}$
D
$7.16 \times 10^{-3}$
3
KCET 2024
MCQ (Single Correct Answer)
+1
-0

Vapour pressure of a solution containing 18 g of glucose and 178.2 g of water at $100^{\circ} \mathrm{C}$ is (Vapour pressure of pure water at $100^{\circ} \mathrm{C}=760$ torr)

A
76.0 torr
B
752.0 torr
C
7.6 torr
D
3207.6 torr
4
KCET 2024
MCQ (Single Correct Answer)
+1
-0

A mixture of phenol and aniline shows negative deviation from Raoult's law. This is due to the formation of

A
polar covalent bond
B
non-polar covalent bond
C
intermolecular hydrogen bond
D
intramolecular hydrogen bond
KCET Subjects
EXAM MAP