Magnesium ribbon is burnt in an atmosphere of nitrogen gas to form solid magnesium nitride. This is a :

decomposition reaction

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combination reaction

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displacement reaction

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double displacement reaction

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Solution

The correct option is B combination reaction
Reaction of magnesium with nitrogen is a combination reaction as these two reactants ( $M g$ and $N_{2}$ ) combine together to form a single product as magnesium nitride ( $M g_{3} N_{2}$ ). The equation can be written as:

$3 M g (s) + N_{2} (g) \to M g_{3} N_{2} (s)$

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Similar questions

Q. Question 20.2

Write the balanced chemical equation for the following reaction and identify the type of reaction.

Magnesium ribbon is burnt in an atmosphere of nitrogen gas to form solid magnesium nitride.

A magnesium ribbon is burnt in air. A student made the following observations:

i. Magnesium ribbon undergoes oxidation reaction.
ii. Magnesium reacts with air to form magnesium oxide.
iii. Magnesium ribbon undergoes decomposition reaction.

Which of the following statements is correct?

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

Q. Burning magnesium ribbon in the air to form magnesium oxide is an example of _______ (combination/decomposition) reaction.

Q. What do you see when a magnesium ribbon is burnt? Is magnesium oxidized or reduced in this reaction?

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Magnesium ribbon is burnt in an atmosphere of nitrogen gas to form solid magnesium nitride. This is a :

The correct option is B combination reactionReaction of magnesium with nitrogen is a combination reaction as these two reactants ( Mg and N2) combine together to form a single product as magnesium nitride (Mg3N2). The equation can be written as:3Mg(s)+N2(g)→Mg3N2(s)