Advertisements
Advertisements
Question
Give the names and formulae of two strong acids and two weak acids.
Solution
The names and formulae of two strong acids and two weak acids are as follows.
(a) Strong acids:
1. Hydrochloric acid: HCl 2. Sulphuric acid: H2SO4
(b) Weak acids:
1. Formic acid: HCOOH
2. Acetic acid: CH3COOH
APPEARS IN
RELATED QUESTIONS
Name the acid-base indicator extracted from lichen.
A white shirt has a yellow stain of curry. When soap is rubbed on this shirt during washing, the yellow stain turns reddish-brown. On rinsing the shirt with plenty of water, the reddish-brown stain turns yellow again.
Name the natural indicator present in curry stain.
Give the names and formulae of two strong bases and two weak bases.
Write the chemical formula of ammonium chloride. Explain why an aqueous solution of ammonium chloride is acidic in nature? Illustrate your answer with the help of a chemical equation.
One of the following salts will give an alkaline solution on dissolving in water. This is:
a) Na2CO3
(b) Na2SO4
(c) NaCl
(d) (NH4)2 SO4
Explain, all alkalis are bases but all bases are not alkalis.
Complete the following table and write one equation for each to justify the statement:
|
Reactants |
Products |
Method |
|
Soluble base + Acid (dil) |
Salt + water |
Neutralisation Titration |
|
Metal + Non-metal |
Salt (soluble/insoluble) |
______ |
|
Insoluble base + ______ |
Salt (soluble) + water |
______ |
|
Active metal + Acid (dil) |
______ + ______ |
______ |
|
Soluble salt solution (A) + Soluble salt solution (B) |
Precipitated salt + Soluble salt |
______ |
|
Carbonate/bicarbonate + Acid (dil) |
Salt + ______ + ______ |
Decomposition of carbonate |
|
Chlorides/nitrates + Acid (conc.) |
______ + ______ |
Decomposition of chlorides and nitrates |
Paheli is suffering from indigestion due to acidity. Is it advisable to give her orange juice in this situation and why?
To Interpret:
CH4 and NH3, are not acids.
Select an oxide which dissolves in water forming an acid.
