Industrial Preparation of Ethanoic Acid

Q. What is glacial acetic acid ? What is its melting point ?

Q. Why is acetic acid is known as glacial acetic acid
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Q.

The oxidising agent used to convert alcohols into carboxylic acid is:

1. Sodium

2. Conc. sulphuric acid

3. Phosphorus trichloride

4. Alkaline Potassium permanganate

Q.

Name the functional group of the product formed when ethanol reacts with ethanoic acid.

1. Ether

2. Aldehyde

3. Ketone

4. Ester

Q.

A student added sodium bicarbonate solution to dilute ethanoic acid. He observed that:

1. A gas evolves

2. The colour of the mixture becomes blue

3. A solid settles at the bottom

4. The colour of the mixture becomes light yellow

Q.

How will you show that acetic acid is a monobasic acid?

Q.

Conc. sulphuric acid has a pungent odour

Q.

The microorganism which plays an important role in the conversion of ethanol to acetic acid belongs to the family of

1. algae

2. fungus

3. bacteria

4. virus

Q.

A student adds 4 mL of acetic acid to a test tube containing 4 mL of distilled water. He then shakes the test tube and leaves it to settle. After about 10 minutes he observes:

1. A precipitate settling at the bottom of the test tube.

2. A layer of water over the layer of acetic acid.

3. A layer of acetic acid over the layer of water.

4. A clear colorless solution.

Q.

Why is ethyl alcohol not regarded as acid though it contains hydrogen atoms in its formula?

Q. What is the $\%$ of acetic acid present vinegar?

1. $70-80\%$
2. $7-8\%$
3. $90-100\%$
4. $4-5\%$

Q. How will you convert-

Q. Glacial acetic acid is obtained by:

1. chemically separating acetic acid
2. treating vinegar with dehydrating agents
3. crystallising, separating and melting acetic acid
4. distilling vinegar

Q. The normality of 10%(weight/volume) acetic is??

Q. A carboxylic acid obtained by the oxidation of ethyl alcohol is:

1. $C{H}_{3}COOH$ (ethanoic acid)
2. $HCOOH$ (methanoic acid)
3. $C{H}_{3}C{H}_{2}COOH$ (propanoic acid)
4. None of the above

Q. What do you observe when you drop a few drops of acetic acid to test tube containing sodium hydrogen carbonate.

Q.

The acid which is used in the silk industries is

1. formic acid

2. ethanoic acid

3. propanoic acid

4. butyric acid

Q. In presence of acid, hydrolysis of methyl cyanide gives:

1. acetic acid
2. methyl amine
3. methyl alcohol
4. formic acid

Q.

In the reaction, identify the reactant X.

Ethanoic acid

1. Ethanol

2. Methanol

3. Ethane

4. Propanol

Q. Which of the following acid is used in silk industries?

1. formic acid
2. ethanoic acid
3. propanoic acid
4. butyric acid

Q. Cramps in the leg muscle after running a long distance are because of:

1. Build up of oxalic acid
2. Build up of acetic acid
3. Build up of lactic acid
4. Build up of pyruvic acid

Q. Which of the following compound produce on complete hydrolysis of acetonitrile?

1. Amine
2. Amide
3. Acetic acid
4. Aldehyde

Q. Which of the following is formed when benzaldehyde reacts with sodium hydroxide?

1. Glucose
2. Acetic acid
3. Benzyl alcohol
4. Benzoic acid

Q.

Which one of the following is used in textile dyeing?

1. Methanoic acid
2. Ethanoic acid
3. Butanoic acid
4. Propanoic acid

Q. How will you convert the Ethanol to acetic acid?

Q. Complete the following reaction :-
$C{H}_{3}COOH+C{H}_2{N}_2\underrightarrow{Ether}......+......$

Q. The product as a result of the reaction of $C{H}_{3}MgI$ with $C{O}_2$ on further hydrolysis gives:

1. $C{H}_{3}COOH$
2. $C{H}_{3}OH$
3. $HCOOH$
4. $(COOH{)}_2$

Q. Acetic acid is obtained by the strong oxidation of:

1. ethyl acetate
2. dimethyl ketone
3. ethyl alcohol
4. ethyl methyl ketone

Q. An acid reacts with isotopically labelled methanol to produce:

1. methyl acetate having the labeled oxygen
2. water having all the labelled oxygen
3. both methyl acetate and water contain isotopic oxygen
4. no esterification

Q.

Which of the following is/are used for the preparation of acetic acid?

1. Methanal
2. Ethanal
3. Ethanol
4. Methanol