Preparation of Ethanol

Q.

In the conversion from ethanol to ethene, concentrated sulphuric acid is used as:

Q.

Explain how alcohols react with phosphorus trihalides

Q.

Explain the chemical properties of ethanol.

Q.

What is aldol condensation reaction?

Q.

Ethene is formed when ethanol at 443 K is heated with excess concentrated sulphuric acid. What is the role of sulphuric acid in this reaction? Write the balanced chemical equation of this reaction.

Q.

State the method of preparation of ethanol :
(a) by hydrolysis of ethene,
(b) by hydrolysis of ethyl bromide.

Q.

Conversion of ethanol to ethene by the action of concentrated sulphuric acid is an example of _________.

Q.

Give a balanced chemical equation of Preparation of Ethane from Sodium propionate.

Q.

Vinegar is a solution of ethanoic acid made by the reaction of ethanol with air. Which gas in air takes part in this reaction?

1. Carbon dioxide

2. Nitrogen

3. Oxygen

4. Water vapour

Q.

Halo alkanes react with alkalies to produce alcohol. Give the equation for the preparation of second member of homologous series of alcohol. State under what condition the reaction occurs.

Q.

State the method of preparation of ethanol.

Q.

Write the balanced chemical equations of Monochloro-ethane is hydrolyzed with aqueous KOH

Q.

The industrial preparation of ethanol is stated from ___

1. ethyne

2. ethene

3. methane

4. ethane

Q.

When monochloroethane is made to react with aqueous $NaOH$, it forms:

1. Ethyl alcohol

2. Methanal

3. Ethanal

4. Methyl alcohol

Q.

Name the organic compound prepared in the following reaction

${\mathrm{C}}_2{\mathrm{H}}_5\mathrm{OH}+\hspace{0.17em}{\mathrm{CH}}_3\mathrm{COOH}\underset{{\mathrm{H}}_2{\mathrm{SO}}_4}{\overset{\mathrm{Conc}.}{\to }}$

Q.

Write the balanced chemical equations for the following:

1. Monochloroethane is hydrolysed with aqueous KOH.
2. A mixture of sodalime and sodium acetate is heated.
3. Ethanol under high pressure and low temperature is treated with acidified potassium dichromate.
4. Water is added to calcium carbide.
5. Ethanol reacts with sodium at rooms temperature.

Q. Which one of the following is used as anti-bacterial agent?

1. Ethanol
2. Ethanoic acid
3. Ethane
4. Ethyne

Q. State the method of preparation of ethanol:
By hydrolysis of alkyl halide