Why an aqueous solution of `NH_4Cl` is acidic while that of HCOOK is basic?

Why an aqueous solution of NH_4CI is acidic while that of HCOOK basic ?

A solution of NH_4F is slightly acidic. Why?

The solution of NH_4CN is basic in nature. Explain.

The aqueous solution of a Salt is acidic .This shows that salt is made from

Aqueous solution of [Co(H_2O)_5SO_4]C1 gives precipitate with

Choose the correct option from the bracket and explain the statement giving reason: (oxidation, displacement, electrolysis, reduction, zinc, copper, double, displacement, decomposition ) Addition of an aqueous solution of ZnSO_4 to an aqueous solution of BaCl_2 is an example of __ reaction

When a current of 3A is passed through an aqueous solution of a palladium salt, the mass of Pd metal deposited in 1 hour is 2.98 g. If the metal's atomic mass is 106.4, the valency of palladium is _________.

Manish was given aqueous solutions of silver nitrate, zinc sulphate and an iron nail. In the first experiment, he dipped iron nail in silver nitrate solution and observed that the solution turned brown. In second experiment, he dipped iron nail in zinc sulphate solution. However, no change was observed. Based on the above information, answer the following questions. Why did solution turn brown in the first experiment?

A monobasic acid is 3% ionized in its 0.03 M aqueous solution. Calculate the dissociation constant of the acid

An aqueous solution of copper sulphate is electrolysed . The atomic mass of the copper , if the electrochemical equivalent is 3.29 xx 10^(-4) g will be __________.