AFMC Chemistry Mock Test - 2 - NEET MCQ

The maximum number of electrons in a subshell is given by the expression

The Bohr's theory was modified to give the concept of elliptical orbits by

Identify the correct statement regarding enzymes.

Vinegar made from cane sugar, now-a-days synthetically contains

Which is an essential constituent of a diet?

In the resonating structure of benzene the number of σ and π bond are

A characteristic feature of reversible reactions is that they

A cylinder filled with a movable piston contains liquid water in equilibrium with water vapour at 25°C. Which one of the following operations results in a decreace in the equilibrium vapour pressure ?

A reaction with respect to the reactant A has a rate constant of 5 s⁻¹. If we start with[A]= 10 mol-L⁻¹, then in what time the concentration of A becomes 1.0 mol-L⁻¹?

Which of the following is not isoelectronic?

A catalyst is used to

Which of the following has highest first ionization potential?

An adiabatic expansion of an ideal gas always has

Which of the following compound contains both the oxidiser and the fuel elements in the same molecule?

Azo dyes are prepared from

Of the five isomeric hexane,the isomers which can give two monochlorimated compound is

The pH of aqueous KCl solution is 7.0. This solution was electrolysed for a few seconds using Pt electrodes. Which of the following is correct?

The reaction 1/2 H₂(g) + AgCl(s) → H⁺(aq) + Cl^- (aq) + Ag(s) occurs in the galvanic cell

Cassiterite is an ore of

Which of the following has the highest conductivity?

Which halide has highest melting point?

A metal X on heating in nitrogen gas gives Y. Y on treatment with H₂O gives a colourless gas which when passed through CuSO₄ solution gives a blue colour. Y is

Which of the following compounds is acidic

1-Chlorobutane on reaction with alcoholic potash gives

Hardness of water is due to which pair of ions?

Which of the following is a weak electrolyte?

Isotopes of elements were discovered by