What is the shape of the following? `CH_(3)^(+)`
`H_(3)O^(+)`
`SO_(4)^(2-)`

What is the shape of following compounds ? (a) H_(2)C = O , (b) CH_(3)F , (c) HC -= N

(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^-

What is the final major product of the following reaction CH_(3) - CH_(2) - C = C - H overset(NaNH_(2)) to overset(CH_(3) CH_(2) CH_(2) - Br) to overset(Hg SO_(4)) underset(H_(2) SO_(4))to ?

The correct order of increasing basicity of the following is H_(2)O, OH^(-), CH_(3)OH, CH_(3)O^(-)

What is the name of the complex [Ni(H_(2)O)_(4)(NH_(2)CH_(2)CH_(2)NH_(2))]SO_(4).5H_(2)O as per IUPAC rules ?