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Grade 12Inorganic Chemistry

A compound made up of C, N, and Mg on analysis gave the following data Mg = 12g, C = 12g and N2 = 14g What is the possible formula of the compound is:
  1. Mg(CN)2
  2. MgCN2
  3. Mg2CN
  4. MgCN ?

Profile image of Shibashis Mallik
11 Years agoGrade 12
Answers icon

1 Answer

Profile image of Rahul Manoj
11 Years ago
14 g of nitrogen gas means 1 mole of nitrogen atoms.
12 g of C mean 1 mole of C atoms.
12g of Mg mean 0.5 moles of Mg.
Mg1 , C2 , N2
therefore Mg(CN)2 is the answer.
 

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