A magnesium ribbon is burnt in oxygen to give a white compound X accompanied by emission of light. If the burning ribbon is now placed in an atmosphere of nitrogen, it continues to burn and forms a compound Y. (a) Write the chemical formulae of X and Y. (b) Write a balanced chemical equation, when X is dissolved in water.
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The compound formed is magnesium oxide
MgO + H2O----> Mg(OH)2+ H2O
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Answer:
2mg+ o2 --> 2MgO
(compound X)
MgO + N2 ----> Mg3N2 + o2
(compound Y)
balanced equation--
MgO + h2o ---> mg(oh)2
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