English Medium Class 10 - CBSE Question Bank Solutions

Draw the structure for the following compound:

Butanal

Draw the structures for the following compounds of Pentanal

Three organic compounds A, B and C have the following molecular formulae: C₄H₈O₂

_{Which compound contains an alcohol group? Write its name and structural formula.}

Name the hydrocarbon formed when ethanol is heated with conc. H₂SO₄ at 170°C? What is this reaction known as?

What happens when (give chemical equation):
Sodium reacts with ethanol (ethyl alcohol)

Complete the following equation:

`CH_3 CH_2 OH` 

Write the chemical equation of the reaction which takes place during the burning of ethanol in air.

Why is ethanol used as a fuel?

How would you test for an alcohol?

Give the harmful effects of drinking alcohol.

How would you convert of thanol into ethene?

What would be observed on adding a 5% alkaline potassium permanganate solution drop by drop to some warm ethanol in a test-tube? Write the name of the compound formed during the chemical reaction. Also write chemical equation of the reaction which takes place.

Name the gas evolved when ethanol reacts with sodium.

What happens when ethanol reacts with ethanoic acid in the presence of a little of concentrated sulphuric acid? Write equation of the reaction involved.

What happens when ethanol is heated with concentrated sulphuric acid at 170°C? Write the equation of the reaction which takes place.