Chemistry
Select the one which contains solute ions and molecules.
- NaOH soln.
- Weak acid
- Dil. H2SO4
Acids Bases Salts
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Answer
Weak acid
Reason — An acid which dissociates only partially in aqueous solution thereby producing a low concentration of hydrogen [H+] ions [or H3O+ ions] is a weak acid.
Example — CH3COOH ⇌ CH3COO- + H+ [contains molecules and ions]
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Related Questions
Select the correct answer from A, B, C and D –
(i) A weak organic acid is:
- Formic acid
- Sulphuric acid
- Nitric acid
- Hydrochloric acid
(ii) A complex salt is :
- Zinc sulphate
- Sodium hydrogen sulphate
- Iron (II) ammonium sulphate
- Tetrammine copper (II) sulphate
Give an equation for the conversions
(i) ZnSO4 to ZnCO3
(ii) ZnCO3 to Zn(NO3)2
Give balanced equation/s for the preparation of the following salts:
- Copper [II] sulphate from CuO.
- Iron [III] chloride from Fe.
- K2SO4 from KOH soln.
- Lead [II] chloride from PbCO3 [give two equations].
Write the balanced chemical equation : Lead nitrate solution is added to sodium chloride solution