MCQEasy1 mark
1
Choose the correct answers to the questions from the given options. (Do not copy the questions, write the correct answers only.)
The metallic hydroxide which forms a deep inky blue solution with excess ammonium hydroxide solution is:
Topic: Qualitative analysis using NaOH and NH₄OH
Previous-year question practice database
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Pick an option and check your answer. The full worked answer is below either way.
Answer
Exam answer
(b) Cu(OH)₂.
Explanation
It dissolves in excess NH₄OH giving a deep inky-blue complex.
In words
Cu(OH)₂.
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