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

A first order reaction has a rate constant 0.00813 min^-1. How long will it take for 60% completion?

Silver crystallises in fcc structure, if edge length of unit cell is 316.5 pm. What is the radius of silver atom?

The quantity of electricity required to produce 9.6 g of Mg by electrolysis of MgCl₂ is ____________.

[Given: Atomic mass of Mg = 24 g mol⁻¹]

____________ plays an important role in sustainable development.

Which of the following metals is refined by vapour phase refining in Mond process?

What is correct order of C - X bond strength in CH₃ - X?

Which of the following elements is alloyed with copper to form bronze?

Which of the following elements belongs to first inner transition series?

What is the value of rate constant of first order reaction, if it takes 15 minutes for consumption of 20% of reactants?

Which of the following is NOT nonideal solution?

The following reactions follow zero order kinetics, EXCEPT ____________.

How long would it take to electroplate a spoon with 0.1 mol of silver (108 g/mol) at a constant current of 2.0 A using AgNO₃?

The rate of the reaction \[\ce{A + B -> C}\] is 3.6 × 10⁻² mol dm⁻³ s⁻¹ when [A] = 0.3 mol dm⁻³ and [B] = 0.2 mol dm⁻³. Calculate k if reaction is first order in A and zero order in B.

CO₂ is more soluble in water than N₂, because ____________.

Which of the following formula represents lithium imide?

An element crystallizes in fcc type of unit cell. The volume of one unit cell is 24.99 × 10^-24 cm³ and density of the element 7.2 g cm^-3, Calculate the number of unit cells in 36 g of pure sample of element?

What is the percentage of unoccupied space in fcc unit cell?

For first order reaction the concentration of reactant decreases from 0.2 to 0.1 M in 100 minutes. What is the rate constant of the reaction?

How many Faradays of electricity is required to produce 4.8 g of Mg at cathode in the electrolysis of molten MgCl₂?
(Molar mass of Mg = 24 g/mol)

How many electrons are involved in the reaction, when 0.40 F of electricity is passed through an electrolytic solution?