Magnesium ribbon keeps on burning in atmosphere of nitrogen to form _____ and this type of reaction is called

magnesium nitride, decomposition reaction

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magnesium nitride, combination reaction

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magnesium nitrite, decomposition reaction

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magnesium nitrite, combustion reaction

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Solution

The correct option is B magnesium nitride, combination reaction
$3 M g + N_{2} \to M g_{3} N_{2}$

As do many active metals, Magnesium reacts with dinitrogen gas to form magnesium nitride.

Alkaline earth metals react with nitrogen to give respective metal nitrides whereas alkali metals do not react except Li.

Combination reaction is a reaction in which reactants combine to form a single product. In this reaction, only magnesium nitride is formed and thus it is a combination reaction.

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Q. 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'. Write a balanced chemical equation when 'X' is dissolved in water.

Q. A magnesium ribbon is burnt in oxygen to give a white compound

X

accompanied by the emission of light. If the burning ribbon is now placed in an atmosphere of nitrogen, it continues to burn and forms a compound

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Question 36
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.

What is a redox reaction ? When a magnesium ribbon burns in air with a dazzling flame and forms a white ash, is magnesium oxidised or reduced ?

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Magnesium ribbon keeps on burning in atmosphere of nitrogen to form _____________ and this type of reaction is called ________

Magnesium ribbon keeps on burning in atmosphere of nitrogen to form _____ and this type of reaction is called