AIPMT MAINS 2011 Chemistry Reactions of Metals MCQ Question
Which of the following statements is incorrect?
(1) Aluminium reacts with excess NaOH to give Al(OH)₃
(2) NaHCO₃ on heating gives Na₂CO₃
(3) Pure sodium metal dissolves in liquid ammonia to give blue solution
(4) NaOH reacts with glass to give sodium silicate
Aluminium reacts with excess NaOH to give Al(OH)₃
NaHCO₃ on heating gives Na₂CO₃
Pure sodium metal dissolves in liquid ammonia to give blue solution
NaOH reacts with glass to give sodium silicate
Correct Answer
Detailed Explanation
Aluminium reacts with excess NaOH to form sodium aluminate, not Al(OH)₃. The other statements are correct.
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