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

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 H-N-H bond angle in NH₃ molecule is ____________.

Identify the product obtained when chlorobenzene is heated with ammonia and Cu₂O at 473 K under pressure.

Which of the following groups increases the basic strength of substituted aniline?

The reducing agent preferred to convert carboxylic acids and esters to primary alcohols is ____________.

The density of an ideal gas can be expressed as d = ____________.

Select the INCORRECT match.

The CORRECT relationship between molar solubility (S) and solubility product (K_sp) for salt, MgC₂O4 is ____________.

The major product obtained when aniline undergoes sulphonation using cone. sulphuric acid at 453-473 K is:

At a constant pressure, the density of a certain amount of an ideal gas is ____________.

Which among the following is the strongest acid?

The oxidation number of B in NaBH₄ is ____________.

Identify the molecule with linear geometry?

During discharging the change taking place at cathode in lead accumulator is:

Identify the correct statement from the following.

Which of the following aromatic acids has less acidic strength than benzoic acid?

Aniline on reaction with Bromine water at room temperature gives ____________.