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ICSE Class 10 Chemistry Question 86 of 93

Organic Chemistry — Question 86

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Question 2(2020)

State one relevant observation for the following reaction: A piece of sodium metal is put into ethanol at room temperature.

Answer

Effervesence of hydrogen gas is seen when a piece of sodium metal is put into ethanol at room temperature.

2C2H5OH ethanol+2Na⟶2C2H5ONa sodium ethoxide+H2\underset{\text{ ethanol} }{2\text{C}_2\text{H}_5\text{OH}} + 2\text{Na} \longrightarrow \underset{\text{ sodium ethoxide} }{2\text{C}_2\text{H}_5\text{ONa}} + \text{H}_2