Chemistry Mock Test-3

First law of thermodynamics is represented by the equation

If 1 mole of an ideal gas expands isothermally at 37⁰C from 15 litres to 25 litres ,the maximum work obtained is

If the hydrogen ion concentration of an acid decreases 10 times, its pH value

pH value of a solution, whose hydronium ion concentration is 6.2 x 10⁻⁹ mol/L is

How many moles of iodine are liberated when 1 mole of potassium dichromate reacts with potassium iodide

MnO₄²⁻ (1 mole) in neutral aqueous medium is disproportionated to

NaHCO₃ is prepared by

One mole of magnesium nitride on reaction with excess of water gives

Violet coloured complex obtained in the detection of Sulphur is

The first fractional product of petroleum from top to bottom is

In the commercial gasolines, the type of hydrocarbons which are more desirable is

Which of the following is not a ferromagnetic substance

A solid compound XY has NaCl structure . If the radius of the cation is 100 pm, the radius of the anion (Y⁻) will be

Molten NaCl results in conduction because of

How much copper is supposed to be deposited when a current of 0.75 amperes passes through a copper sulphate solution for 25 minutes

The turbidity of a polymer solution measures the

The catalyst used in the manufacture of H₂SO₄ by contact process is

The solubility of I₂ increases in water in the presence of

The oxidation number of phosphorus and basicity of acid in pyrophosphoric acid respectively are

Sodium thiosulphate is added in photography to

The electronic configuration of transition elements is exhibited by

How many edta molecules can surround calcium

Shape of Fe(CO)₅ is

Hydrolysis of trichloromethane with aqueous KOH gives

Treatment of a mixture of CH₃Cl and C₂H₅Cl with sodium in dry ether can generate

An isomer of ethanol is

Give cyclohexanol(I), acetic acid (II), 2,4,6-trinitrophenol(III), and phenol(IV).In these the order of decreasing acidic character will be

Oxidation of acetaldehyde with selenium dioxide produces

An acyl halide is formed when PCl₅ reacts with an

The bad smelling substance, formed by the action of alcoholic caustic potash on chloroform and aniline, is

Best method to form aromatic iodide is

Enzymes actually

Which of the following amino acids is basic in nature

Dynamite contains

Metallic crystalline solids have

If 300 mL of a gas at 27⁰ C is cooled to 7⁰C at constant pressure, its final volume will be

A bivalent metal has the equivalent weight of 12. The molecular weight of its oxide will be

Dalton predicted

Elements having same number of nucleons and different number of protons are

Rutherford’s experiment led to the discovery of

Mg and Li are similar in their properties due to

As the nuclear charge increases from neon to calcium the orbital energy

Which among the following has the largest dipole moment

He₂ does not exist because its