Write one application of each of the following buffers.
`HCO_3+H_2CO_3`

Write one application of each of the following buffers. NH_4OH+NH_4CI

Write one application of each of the following buffers. citrate buffer

(a)What are conjugate bases of each of the following : HS^(-), H_3O^(+), H_2PO_4^(-), HSO_4^(-), CH_3COOH, [Al(H_2O)_6]^(3+), H_2SO_4 (b)Give the conjugate acids of the following : OH^(-), HCO_3^(-), HPO_4^(2-), CH_3NH_2, CO_3^(2-), CH_3COOH, NH_2^(-), HCOO^- (c ) Which of the following behave both as Bronsted acids as well as Bronsted bases ? H_2O, HCO_3^(-), H_2SO_4 , H_3PO_4 , HS^-

(a)Write the conjugate acids for the following Bronsted bases : NH_2^(-) , NH_3 and HCOO^- (b)Write the conjugate bases for the following Bronsted acids : HF, H_2SO_4 , HCO_3^-

Point out the oxidation number of C in the following: CH_(4),C_(3)H_(8),C_(2)H_(6),C_(4)H_(10),CO,CO_(2) and HCO_(3)^(-),CO_(3)^(2-)