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

Which among the following is a neutral complex?

Hydrides of transition metals are used as powerful ____________ agents.

When a solution of Grignard reagent is added to ____________ a magnesium salt of carboxylic acid is obtained which on acidification gives carboxylic acid.

The activation energy of a reaction is zero. Its rate constant at 280 K is 1.6 × 10^-6 s^-1, the rate constant at 300 K is ______.

The percentage of unoccupied volume in simple cubic cell is ______.

The CORRECT order of decreasing ionic radius is:

Which of the following compound gives a ketone with Grignard reagent?

The IUPAC name of the complex [Co(C₂O₄)₃]³⁻ is ____________.

Which of the following statements is INCORRECT?

What is the atomicity of aluminium phosphate?

9 gram anhydrous oxalic acid (mol. wt. = 90) was dissolved in 9.9 moles of water. If vapour pressure of pure water is pf the vapour pressure of solution is ______.

The rate constant of a first order reaction is 3 × 10⁻⁶ per s. If the initial concentration is 0.10 mol dm⁻³, the initial rate of reaction is ____________.

Which of the following ions will have spin-only magnetic moment equal to 1.73 BM?

Sc³⁺, Ti³⁺, Fe²⁺, Cu²⁺, Co²⁺

The total number of electrons present in 20 mL of water is ____________.

(Density = 1 g mL⁻¹)

Which among the following has the highest boiling point?

In a first order reaction, the concentration of the reactant, decreases from 0.8 mol dm⁻³ to 0.4 mol dm⁻³ in 15 minutes. The time taken for the concentration to change from 0.1 mol dm⁻³ to 0.025 mol dm⁻³ is ____________.

At a certain temperature, the solubility product of MX is 6.4 × 10⁻⁵. The solubility of salt in mol L⁻¹ is ____________.

In a first order reaction, the concentration of the reactant is reduced to 25% in one hour. The half-life period of the reaction is ____________.

The number of atoms in 500 g of a fcc crystal of a metal with density d = 10 g/cm³ and cell edge 100 pm, is equal to ____________.

During the electrolysis of molten NaCl, the time required to produce 0.10 mol of Cl₂ gas using a current of 2 amperes is ____________.