1
MHT CET 2025 19th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify from following salts so that the solubility of salt in water decreases with increase in temperature.

A
NaBr
B
NaCl
C
$ \mathrm{NaNO}_3$
D
$ \mathrm{Na}_2 \mathrm{SO}_4$
2
MHT CET 2025 19th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the molal elevation constant of solvent if boiling point of 0.12 m solution is 319.8 K (Boling point of solvent $=319.5 \mathrm{~K}$ )

A
$2.0 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$
B
$3.0 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$
C
$2.5 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$
D
$3.5 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$
3
MHT CET 2025 19th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the concentration of an aqueous solution of non electrolyte at 300 K if its osmotic pressure is 12 atm .

$$ \left[\mathrm{R}=0.0821 \mathrm{~atm} \mathrm{dm}^3 \mathrm{~K}^{-1} \mathrm{~mol}^{-1}\right] $$

A
0.371 M
B
0.615 M
C
0.487 M
D
0.726 M
4
MHT CET 2025 19th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which from following compounds is least soluble in water at STP?

A
$\mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}$
B
$\mathrm{CH}_3 \mathrm{OH}$
C
$\mathrm{CH}_3 \mathrm{NH}_2$
D
$\mathrm{CH}_4$

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