MHT CET 2021 21th September Morning Shift | MHT CET Year Wise Previous Years Questions

A gas is allowed to expand in an insulated container against a constant external pressure of 2.5 atm from $$2.5 \mathrm{~L}$$ to $$4.5 \mathrm{~L}$$, the change in internal energy of the gas in joules is

$$-836.3 \mathrm{~J}$$

$$-1136.2 \mathrm{~J}$$

$$-450 \mathrm{~J}$$

$$-506.5 \mathrm{~J}$$

MHT CET 2021 21th September Morning Shift

MCQ (Single Correct Answer)

-0

Which of the following solutions shows positive deviation from Raoult's law?

Ethanol + Acetone

Chloroform + Acetone

Benzene + Toluene

Phenol + Aniline

MHT CET 2021 21th September Morning Shift

MCQ (Single Correct Answer)

-0

Which of the following conjugate bases is stabilized to greater extent due to solvation of ammonia and amines?

$$\mathrm{R}_3 \mathrm{NH}^{+}$$

$$\mathrm{RNH}_3^{+}$$

$$\mathrm{NH}_4^{+}$$

$$\mathrm{R}_2 \mathrm{NH}_2^{+}$$

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