NEET Chemistry Functional Group Tests MCQ Question
A diagram shows a laboratory setup with a test tube containing a white precipitate being dissolved in dilute HCl by boiling. The solution is divided into two parts. To the first part, sodium hydroxide solution is added and a white precipitate, soluble in excess of sodium hydroxide, forms. What does this test confirm?
Presence of Zn2+ ions
Presence of Ba2+ ions
Presence of Mn2+ ions
Presence of Ni2+ ions
Correct Answer
Detailed Explanation
The formation of a white precipitate soluble in excess sodium hydroxide confirms the presence of Zn2+ ions, as stated in the NCERT context.
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