Strength of Acid or Base

Q.

Is $\mathrm{HF}$ a strong acid?

Q.

Which of the following is not a strong acid?

1. H₂SO₄

2. CH₃COOH

3. HNO₃

4. HCl

Q.

When sodium chloride is heated with sulphuric acid below a temperature of 200 degrees celcius, ___ is formed

Q. The strength of an acid depends upon the number of ___________ produced.

1. $O{H}^{-}$ ions
2. $H^{+}$ ions
3. $C{O}_2$ molecules
4. $H_{2}O$ molecules

Q. Which of the following will behave as a strong acid in aqueous solution?

1. ${\text{C}}_2{\text{H}}_5\text{COOH}$
2. ${\text{H}}_2{\text{SO}}_4$
3. $\text{HCOOH}$
4. ${\text{CH}}_3\text{COOH}$

Q.

203. Name the following:

(d) An acid found in lemon.

Q. Which of the following will behave as a strong acid in aqueous solution?

1. ${\text{C}}_2{\text{H}}_5\text{COOH}$
2. ${\text{H}}_2{\text{SO}}_4$
3. $\text{HCOOH}$
4. ${\text{CH}}_3\text{COOH}$

Q. Which of the following are weak acids?

1. ${\text{H}}_2{\text{SO}}_4$
2. ${\text{CH}}_3\text{COOH}$
3. $\text{HCOOH}$
4. $\text{HCl}$

Q. Acetic acid is a weak acid because:

1. its aqueous solution is acidic.
2. it gets highly ionised in water.
3. it contains four hydrogen atoms.
4. it gets weakly ionised in water.

Q. Two test tubes containing water are labelled A and B. Few drops of hydrochloric acid are added to test tube A and acetic acid to test tube B. Which of the following statements are true regarding the number of $H^{+}$ ions in the test tubes?

1. Test tube A has more number of $H^{+}$ ions than test tube B
2. Test tube B has more number of $H^{+}$ ions than test tube A
3. Both the test tubes have equal number of $H^{+}$ ions
4. It cannot be predicted

Q. Which of the following solution do not conduct electricity?

1. Potassium bromide
2. Distilled water
3. Copper sulphate
4. Sodium chloride

Q.

Acetic acid (${\text{CH}}_3\text{COOH}$) is a weak acid because:

1. it gets partially ionised in water.

2. it is produced slowly from vinegar.

3. it is formed by reaction between a weak oxide and water.

4. it contains only four hydrogen atoms.

Q. The strength of an acid depends upon the number of ___________ produced.

1. $C{O}_2$ molecules
2. $O{H}^{-}$ ions
3. $H_{2}O$ molecules
4. $H^{+}$ ions