Chemistry
Identify which of the following terms matches with the appropriate descriptions 1 to 5.
A: Hydracid
B: Monobasic acid
C: Less volatile acid
D: Weak acid
E: Tribasic acid
F: Dibasic acid
G: More volatile acid
- An acid having basicity 1 and having only one replaceable hydrogen ion per molecule of the acid.
- An acid which dissociates to give a low concentration of H+ ions.
- An acid containing hydrogen and a non-metallic element other than oxygen.
- The type of acid which generally displaces another acid when the acid is heated with a salt.
- The type of acid which reacts with a base to give an acid salt and a normal salt.
Related Questions
Fill in the blanks:
A salt which on hydrolysis produces a neutral solution is _________ [sodium chloride / ammonium chloride / sodium carbonate].
Name the following:
- A basic solution which does not contain a metallic element.
- A normal salt of sodium formed from acetic acid.
- A base which reacts with an acid to give a salt which on hydrolysis gives a slightly acidic solution.
- An ion which combines with a polar covalent molecule to form an ammonium ion.
- A soluble salt formed by direct combination between a light metal & a greenish yellow gas.
State which of the following methods is generally used for preparing the salts 1 to 5 given below:
A: Neutralisation — insoluble base and dil. acid
B: Neutralisation — alkali and dil. acid
C: Simple displacement — active metal and dil. acid
D: Direct combination
E: Precipitation [double decomposition]
- PbCO3
- Zn(NO3)2
- NaCl
- Cu(NO3)2
- FeS
Give balanced equations for the preparation of the following salts:
- Calcium oxide ⟶ Calcium chloride ⟶ Calcium carbonate
- Zinc sulphide ⟵ Zn ⟶ Zinc sulphate
- Iron [II] chloride ⟵ Fe ⟶ Iron [III] chloride
- Lead [II] oxide ⟶ Lead nitrate ⟶ Lead sulphate
- Copper [II] oxide ⟶ Copper [II] sulphate ⟵ Copper [II] hydroxide