MEDIUMMCQ SINGLENEET ChemistryInorganic ChemistryHydrogenPrevious Year Questions
Which of the following metals evolves hydrogen on reacting with cold dilute HNO3? (AIPMT 1989)
A.Mg✓ Correct
B.Al
C.Fe
D.Cu
Explanation
Mg reacts with nitric acid to give Mg(NO3)2 and evolves H2 gas. 3 3 2 2 Mg 2HNO Mg NO H ->
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