MAH-MHT CET (PCM/PCB) entrance exam Question Bank Solutions

Which of the following polymers is used in the manufacture of lenses and LCD screens?

Identify the product 'B' in the following reaction.

\[\ce{Benzamide ->[Br2/KOH] A ->[Br2 water][298 K] B}\]

The amino acid having −CH₃ as side chain is ____________.

Identify the INCORRECT statement about mercury battery.

At constant pressure, a quantity of an ideal gas occupies 1.0 × 10⁻² dm³ volume at 200 K. At what temperature, the volume will be 2.0 × 10⁻³ dm³?

The enthalpy change for the reaction; \[\ce{Na_{(s)} -> Na_{(l)}}\] is called enthalpy of ____________.

Which of the following amino acid is an essential amino acid?

A flavouring agent found in oil of wintergreen is ______.

Which of the following molecule can form a zwitter ion?

Products in the following reaction are:

\[\ce{CH3COOH + PCl3 ->[\Delta]}\]

The NICAD cell provides a potential of __________.

Which of the following is the simplest amino acid?

Which of the following carboxylic acids will have the highest acidity?

The mercury battery provides a constant voltage of ____________.

Nanostructures on lotus leaves repel water which carries dirt as it rolls off. This Lotus effect is used in ____________.

The elimination of CO₂ from a carboxylic acid is known as ____________.

Identify the CORRECT statements.

(I) Aniline reacts with bromine water at room temperature to give o-bromoaniline.

(II) Aniline undergoes Friedel Craft's reaction using aluminium chloride.

(III) Direct nitration of aniline yields, a mixture of ortho, meta and para nitro aniline.

(IV) Amino group is ortho and para directing and powerful ring activating group.

The enthalpy change for the transition of liquid water to steam, ∆_vapH = 37.3 kJ mol⁻¹ at 373 K. The entropy change for the process is ____________.

What amount of dinitrogen contains 3.6 × 10¹⁸ molecules?

The basic amino acid is ____________.