Question

A student while burning a magnesium ribbon in air, collected the products in a wet watch glass. The new product obtained was: (a) Magnesium oxide (b) Magnesium carbonate b (c) Magnesium hydroxide (d) Magnesium chloride

help me as fast as possible​

Answer 1

Magnesium Hydroxide.

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Explanation:

while burning magnesium ribbon in air , magnesium hydroxide is collected on wet watch glass.

☆ Magnesium ribbon burns with dazzling white flames and changes into a white powder, this powder is magnesium oxide. It is formed due to reaction between magnesium and oxide . After obtaining magnesium oxide on wet watch glass i.e ( magnesium oxides + water ) , it becomes magnesium hydroxide.

The required reaction is :-

MgO + H2O ⸻➤Mg(OH)2

here, MgO - Magnesium oxide

H2O - water

Mg(OH)2 - magnesium hydroxide.

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Answer 2

Answer:

The anser is magnesium hydroxide as magnesium oxide mixes with the wet watch it turns magnesium hydroxid

Explanation:

So, option (2) is right ans

2Mg + O2 b u r n → →burn 2MgO MgO + H2O → M g ( O H ) 2 Magnesium Hydroxide