1
KCET 2026
MCQ (Single Correct Answer)
+1
-0
The relative lowering of vapour pressure produced by dissolving $18$ g of urea (Molar mass $= 60\text{ g mol}^{-1}$) in $100$ g of water is
A
$0.025$
B
$0.512$
C
$0.051$
D
$0.250$
2
KCET 2026
MCQ (Single Correct Answer)
+1
-0
When $0.0106$ mole of acetic acid was dissolved in $1$ kg of water, the freezing point depression for this strength of acid was $0.0205$ K. If the calculated freezing point depression is $0.0197$ K, Van't Hoff factor (i) and degree of dissociation of acetic acid respectively are
A
$0.041$ and $1.041$
B
$1.041$ and $0.1041$
C
$0.041$ and $0.041$
D
$1.041$ and $0.041$
3
KCET 2026
MCQ (Single Correct Answer)
+1
-0
Match List-I (Laws) with the List-II (Mathematical expressions):
List-IList-II
(a)Henry's law(i)$p_1 = p_1^0 x_1$
(b)Raoult's law(ii)$p = K_H \chi$
(c)First law of thermodynamics(iii)$\Lambda_m = v_+ \lambda_+ + v_- \lambda_-$
(d)Kohlrausch's law(iv)$\Delta U = q + w$
Codes:
A
a-i, b-ii, c-iii, d–iv
B
a-ii, b-i, c-iii, d–iv
C
a-ii, b-i, c-iv, d–iii
D
a-i, b-ii, c-iv, d–iii
4
KCET 2026
MCQ (Single Correct Answer)
+1
-0
Which of the following is CORRECT with respect to the property mentioned against it?
A
Osmotic pressure at $298$ K: $0.1$ M NaCl solution $<$ $0.1$ M Urea solution
B
Concentration of NaCl in the solution $2$ ppm $> 2$ M
C
$\Delta T_b$: $0.02$ M Urea solution $> 0.02$ M NaCl solution
D
Vapour pressure at $298$ K: Salt water $<$ Pure water