Question 9 of 114

If NaOH is added to an aqueous solution of Zn2+ ions, a white precipitate appears and on adding axcess NaOH, the precepitate dissolves. In this solution zinc exists in the:

(a) cationic part

(b) anionic part

(c) both in cationic and anionic parts

(d) there is no zinc left in the solution