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

Which of the following is INCORRECT?

Which of the following is CORRECT for an aqueous solution of NH₄CN?

[K_a of HCN = 4.0 × 10⁻¹⁰, K_b for NH₄OH = 1.8 × 10⁻⁵]

Which of the following has zero dipole moment?

The least basic hydroxide from the following is:

Which of the following is INCORRECT expression in terms of vapour pressure of pure solvent `("P"_1^0)` and that of solution (P)?

When C₂H₅Br is treated with excess of alc. NH₃, the major product obtained is ____________.

What is the ΔG⁰ for the following reaction?

\[\ce{Al_{(s)} + Fe^{3+}_{( aq)} -> Al^{3+}_{( aq)} + Fe_{(s)}}\]; \[\ce{E^0_{cell}}\] = +2.43

The vapour pressure of water at 20°C is 17 mm Hg. The vapour pressure of solution containing 2.8 g urea in 50 g of water is ____________.

The number of ions given by Na₃[Fe(CN)₆] in aqueous solution is ____________.

The S_N2 reaction of a compound containing an asymmetric carbon atom always gives ____________.

For the following cell, standard potential of copper electrode is 0.337 V and standard cell potential is 0.463 V.

\[\ce{Cu | Cu^{2+} (1 M) || Ag^+ (1 M)  Ag}\]

What is the standard potential of silver electrode?

Atoms of elements A and B crystallize in hep lattice to form a molecule. Element A occupies 2/3 of tetrahedral voids, the formula of molecule is ______.

Copper crystallizes as face centered cubic lattice, with edge length of unit cell 361 pm. Calculate the radius of copper atom.

Which of the following changes will cause increase in vapour pressure of 1 molal aqueous KI solution at same temperature?

What will be the molar mass of solute if vapour pressure of pure benzene is 450 mm Hg when 1.5 g of non-volatile solute is added to 30 g of benzene?
(Vapour pressure of solution= 400 mm Hg, Atomic mass C = 12, H = 1)

Relative lowering in vapour pressure depends on _______.

Identify the correct statement from the following:

How many donor groups are present in diethylene triamine?

What is the number of moles of silver chloride precipitated when excess of aqueous silver nitrate is treated with [Co(NH₃)₄Cl₂]Cl?

Identify major product 'B' in the following reaction.

\[\ce{But-1-ene ->[HBr][Peroxide] A ->[AgCN][\Delta] B}\]