A magnesium ribbon is burnt in oxygen to give a white component X accompanied by emission of light. if the burning ribbon is now placed in an atmosphere of nitrogen it continues to burn and form a compound Y.
a.)Write the chemical formula of X and Y
b.) write a balanced equation when X is dissolved in water.
Answers & Comments
b)Mg 3N2+6H2O ----) 3Mg(OH)2+ 2NH3
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Answer:
2mg+ o2 --> 2MgO
(compound X)
MgO + N2 ----> Mg3N2 + o2
(compound Y)
balanced equation--
MgO + h2o ---> mg(oh)2