AIIMS2000Chemistry-Stoichiometry
AIIMS 2000 Chemistry Molar Mass Calculations MCQ Question
Type: MCQ-numerical-Medium-Class 11
12 g of an alkaline earth metal gives 14.8 gm of its nitride. Atomic weight of the metal is
A
12
B
20
C
40
D
14.8
Correct Answer
Option C
Detailed Explanation
The reaction of the metal with nitrogen forms M₃N₂. Solving the stoichiometry gives the atomic weight as 40.
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