JEE Main Chemistry question

Chemistry Principles Related to Practical Chemistry JEE Main

Addition of NaOH on ion gives a white ppt. which on adding excess of NaOH dissolves. In this solution Zn exists in:

(A)Cationic part
(B)Anionic partCorrect
(C)Both (a) and (b)
(D)None of these

Answer: (B)

Solution

In excess NaOH, dissolves as the anionic zincate complex,

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Question ID VK-147696