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

Which among the following compounds is not a colourless gas?

Whicli of the following is an example of green chemistry?

The IUPAC name of complex ion \[\ce{[Cr(NH3)4Cl2]+}\] is ______.

The half-life of first order reaction is 1.7 hour. What is its rate constant?

According to Faraday's first law, ______

For an ideal binary liquid solution with `"p"_"A"^circ > "P"_"B"^circ`, which is a relation between X_A (mole fraction of A in liquid phase) and Y_A (mole fraction of A in vapour phase) is correct, X_B and Y_B are mole fractions of B in liquid and vapour phase respectively?

Total vapour pressure of a mixture of 1 mole A`("p"_"A"^circ = 150 " torr")` and 2 mole B`("p"_"B"^circ = 240 " torr")` is 200 mm. In this case, ______.

In hexagonal close packed (hep) structure, ____________ layer and ____________ layer have horizontal and vertical alignment.

What is the potential of a half-cell consisting of zinc electrode in 0.01 M ZnSO₄ solution at 25°C (E⁰ = −0.763 V)?

Which of the following shows optical isomerism?

The halide that undergoes sp³d hybridisation is ____________.

The CORRECT decreasing order of the basic strength of amines in aqueous solution is:

Identify the INCORRECT statement.

____________ and ____________ are the rarest elements of the group 18.

A metal crystallizes in bcc lattice with edge length 4.48 Å. The radius of the metal atom is ___________ Å.

In the Wolff-Kishner reduction of alkyl aryl ketones, ketones are first converted into ____________.

Identify the properties of group 17 elements that show decreasing trend down the group.

i. Atomic radius

ii. Ionisation enthalpy

iii. Electronegativity

Which one of the following ions has same number of unpaired electrons as those present in V³⁺ ion?

Using the standard electrode potentials given below, identify the correct statements from the following:

\[\ce{Fe^2+ + 2e^- -> Fe}\]; E⁰ = −0.44 V

\[\ce{Cu^2+ + 2e^- -> Cu}\]; E⁰ = +0.34 V

\[\ce{Ag^+ + e^- -> Ag}\]; E⁰ = +0.80 V

(I) Copper can displace iron from FeSO₄ solution

(II) Iron can displace copper from CuSO₄ solution

(III) Silver can displace copper from CuSO₄ solution

(IV) Iron can displace silver from AgNO₃ solution

An element crystallises in a bee lattice with cell edge of 500 pm. The density of the element is 7.5 g cm^-3. How many atoms are present in 300 g of metal?