Advertisements
Advertisements
प्रश्न
Which of the following gives the correct increasing order of acidic strength?
विकल्प
Water < Acetic acid < Hydrochloric acid
Water < Hydrochloric acid < Acetic acid
Acetic acid < Water < Hydrochloric acid
Hydrochloric acid < Water < Acetic acid
उत्तर
Water < Acetic acid < Hydrochloric acid
Explanation -
Distilled water is neutral. Acetic acid is an organic acid. So, it is a weak acid. Hydrochloric acid is a mineral acid. So, It is a strong acid.
APPEARS IN
संबंधित प्रश्न
Why do HCl, HNO3, etc., show acidic characters in aqueous solutions while solutions of compounds like alcohol and glucose do not show acidic character?
Which element is common to all acids?
What are esters? How are esters prepared? Write the chemical equation for the reaction involved. What happens when an ester reacts with sodium hydroxide? Write the chemical equation for the reaction and also state the name and use of this reaction.
With the help of suitable examples explain the term neutralization and the formation of –
- acidic,
- basic and
- neutral salts
Write any four physical properties of acids.
What is a neutralization reaction? Give an example.
The table given below shows the reaction of a few elements with acids and bases to evolve Hydrogen gas.
| Element | Acid | Base |
| A |
✗
|
✗ |
| B |
✓
|
✓ |
| C | ✓ | ✗ |
| D | ✓ | ✓ |
Which of these elements form amphoteric oxides?
To protect tooth decay, we are advised to brush our teeth regularly. The nature of the tooth paste commonly used is
Take a clean test tube with a holder and pour some dilute hydrochloric acid. Add a few pieces of magnesium ribbon pieces slowly. What do you observe? Now show a burning match stick near the mouth of the test tube. Do you hear any sound? The gas burns with a pop sound. From this, it is observed that hydrogen gas has been formed due to the reaction between acid and metal.
Consider the following salt:
YCl
What would be the pH of the solution if, in YCl, Y is sodium? Give a reason for your answer.
