List of top Chemistry Questions

Nucleophilicity order is correctly represented by
The $[ OH ]^{-}$in a solution is $1\, mol\, L ^{-1}$. The $pH$ of the solution is
The solubility of $Fe ( OH )_{3}$ is $x\, mol\, L ^{-1}$. Its $K_{s p}$ would be
In which of the following reactions, increase in pressure will favour the forward reaction?
Which of the following is a Lewis acid?
The $ K_{sp} \, of \, Ag_2CrO_4 $ is $ 1.1 \times 10^{ - 12 } $ at 298 K. The solubility (in mol/L) of $Ag_2 CrO_4 $ in $ a 0.1 M \, AgNO_3 $ solution is
How many litres of water must be added to 1 L of an aqueous solution of HCL with a pH of 1 to create an aqueous solution with pH of 2?
The ${pH}$ of a ${10^{-10}\, M\, NaOH}$ solution is
The thermal dissociation of equilibrium of $CaCO_3 $ (s) is studied under different conditions $ CaCO_3 \, ( g) \rightleftharpoons CaCO ( g ) + CO_2 ( g)$ For this equilibrium, the correct statement(s) is/are
Which of the following statements is not true?
Which of the following carbocation wouldhave the greatest stability?
The wavelength (in cm) of second line in the Lyman series of hydrogen atomic spectrum is (Rydberg constant = R cm$^{-1}$)
The structure of paramagnetic nickel complex, $ [NiCl_4]^{2-} $ is

Phosphoric acid has no reducing properties. Phosphoric acid does not contain P-H bonds.

Super cooled water is liquid water that has been cooled below its normal freezing point.This state is thermodynamically
Consider the following statements I. Repulsive forces are significant when the molecules are close together on average. II. Attractive intermolecular forces are important when the molecules are fairly close together but not necessarily touching. III. Attractive forces are ineffective when the molecules are for apart. Select correct statements.
Which of the following represents the zero overlap ?
The extent of adsorption of a gas on a solid depends on
The correct decreasing order of basic strength of the following species is
In the metallurgy of aluminium
On cooling, the brown colour of nitrogen dioxide disappears. On cooling, $ NO_{2}$ undergoes dimerisation resulting in the pairing of odd electrons of $NO_{2}$.
Which of the following is an emulsion?
Which of the following is not an ore of iron?
Which of the following statement is not true for hydrolysis of $XeF_6$ ?
Which one of the following pairs represents stereoisomerism?