Predict the nature of the aqueous solutions of the following salts.
` NaCN `

Predict the nature of the aqueous solutions of the following salts. CuSO_4

Predict the nature of the aqueous solutions of the following salts. Na_2SO_4

Predict the nature of the aqueous solutions of the following salts. CH_3COOK

Menstion the nature of aqueous solutoins of following salts. NH_4CN

Menstion the nature of aqueous solutoins of following salts. K_2SO_4 .

Menstion the nature of aqueous solutoins of following salts. NH_4NO_3

(i) Predict if the aqueous solutions of the following salts are neutral acidic or basic, NaCl,KBr,NaCN,NH_(4)NO_(3),NaNO_(3) and KF .Explain. (ii) A 0.02M solution of pyridinium hystochloride has pH=3.44 calcuate ionization constant of pyridine (antiolog 0.18=1.5 ) (iii) The ionization constant of nitrous acid is 4.5xx10^(-4) .Calculate the pH of 0.04M solution nitrite solution and also its degree of hydrolysis (log 4.5=0.65,log4=0.6)

What is the nature of an aqueous solution of CO_2 ?

The aqueous solution of the following salts will be colored in the case of

What is the nature of an aqueous solution of borax ?