Ethanoic Acid and Its Properties

Q.

Do vinegar and salt make hydrochloric acid?

Q. The main constituent of vinegar is ______.

1. methanol
2. ethanol
3. acetic acid
4. formic acid

Q. Acetic acid reacts with sodium carbonate to produce _______ gas.

1. methane
2. hydrogen
3. carbon dioxide
4. oxygen

Q.

Identify the following substance which is underlined:

(i) An acid that is present in vinegar.

Q.

The substance which gets oxidized to acids on heating them with solutions of potassium permanganate $KMn{O}_4$ or potassium dichromate $K_{2}C{r}_2{O}_7$ is

1. alkenes

2. alkanes

3. bases

4. alkalis

Q.

State whether true or false for each:

Nitric acid is highly corrosive and poisonous.

1. True
2. False

Q.

$NaHC{O}_3+C{H}_{3}COOH⟶C{H}_{3}COONa+C{O}_2+H_{2}O$,

This reaction is used as a test of carboxylic acid because :

1. gas is confirmed when it turns lime water light green
2. gas is confirmed when it turns lime water black
3. gas is confirmed when it turns lime water milky
4. gas is confirmed when it turns lime water brown

Q. Vinegar is a solution of:

1. 50% - 60% acetic acid in alcohol.
2. 5% - 8% acetic acid in alcohol.
3. 5% - 8% acetic acid in water.
4. 50% - 60% acetic acid in water.

Q. Acetic acid reacts with a sodium compound to release a gas which turns limewater milky. What might be the sodium compound?

1. Sodium chloride
2. Sodium hydroxide
3. Sodium carbonate
4. Sodium bicarbonate

Q. What happens when acetic acid reacts with sodium carbonate?

1. Hydrogen gas is evolved.
2. Carbon dioxide gas is evolved.
3. Methane gas is evolved
4. Oxygen gas is evolved.

Q. Ethanoic acid turns blue litmus red.

1. True
2. False

Q. Sodium acetate is formed when ___ reacts with ethanoic acid.

1. sodium hydroxide
2. sodium
3. sodium bicarbonate
4. sodium carbonate

Q. All the statements given below regarding ethanoic acid are true except that:

1. Its common name is acetic acid.
2. 5-8% aqueous solution of ethanoic acid is called vinegar.
3. It is also known as glacial acetic acid.
4. Ethanoic acid is insoluble in water in all proportions.

Q. Vinegar is a solution of:

1. 50% - 60% acetic acid in alcohol.
2. 5% - 8% acetic acid in alcohol.
3. 5% - 8% acetic acid in water.
4. 50% - 60% acetic acid in water.