19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
In the reaction I I I -> the Lewis’s base is
The conjugate base of HPO is (a) PO (b) H PO
According to Lewis concept, acid is
According to Lowry and Bronsted system, the chloride ion (Cl–) in aqueous solution is a
The conjugate base of a weak acid is
Of the given anions, the strongest Bronsted base is
Review the equilibrium and choose the correct statement HClO4 + H2O H3O + + ClO4 –
The conjugate acid of HPO4 2– is
Conjugate base of NH3 is (a) NH (b) NH (c) NH
The correct order of acid strength is
Cl – is the conjugate base of
The conjugate base of NH2 – is
A weak acid, HA has a Ka of 1.00 10 x . If 0.100 mole of this acid is dissolved in 1 L of water, the percentage of acid dissociated at equilibrium is closest to
The aqueous solution of FeCl3 is acidic due to
The dissociation constant of CH3COOH is 1.8 × 10–5. The hydrolysis constant for 0.1 M sodium acetate is
A white salt is readily soluble in water and gives a colourless solution with a pH of about 9. The salt would be
Aqueous solution of sodium acetate is
The pH of 0.1 M solution of the following salts increases in the order :
The aqueous solution of ammonium chloride is
An aqueous solution of sodium carbonate is alkaline because sodium carbonate is a salt of
An aqueous solution of aluminium sulphate would show
Which one of the following salts gives an acidic solution in water
The solution of strong acid and weak base (FeCl3) is
Aq. solution of sodium cyanide is
Ka for HF is 3.5 × 10–4. Calculate Kb for the fluoride ion.