Advertisements
Advertisements
Question
Mineral acids are stronger acids than carboxylic acids because
- mineral acids are completely ionised
- carboxylic acids are completely ionised
- mineral acids are partially ionised
- carboxylic acids are partially ionised
Options
(i) and (iv)
(ii) and (iii)
(i) and (ii)
(iii) and (iv)
Advertisements
Solution
(i) and (iv)
Explanation -
Mineral acids like sulphuric acid, hydrochloric acid etc. are completely ionised. Hence, they are strong acids. Carboxylic acids are partially ionised, they are weak acids.
APPEARS IN
RELATED QUESTIONS
What are covalent compounds?
Ethane, with the molecular formula C2H6 has ______.
What do you call the compounds having the same molecular formula but different structural arrangements of atoms?
Which inert gas does the Cl atom in HCl resemble in electron arrangement?
Draw the electron-dot structure of H2O compound and state the type of bonding.
One of the following compounds is not ionic in nature. This compound is:
(a) Lithium chloride
(b) Ammonium chloride
(c) Calcium chloride
(d) Carbon tetrachloride
A covalent molecule having a double bond between its atoms is:
(a) Hydrogen
(b) Oxygen
(c) water
(d) ammonia
A solid element X has four electrons in the outermost shell of its atom. An allotrope Y of this element is used as a dry lubricant in machinery and also in making pencil leads.
(a) What is element X?
(b) Name the allotrope Y.
(c) State whether allotrope Y is a good conductor or non-conductor of electricity.
(d) Name one use of allotrope Y (other than lubrication and pencil leads)
(e) Name two other allotropes of element X.
What is the difference between ionic compounds and polar covalent compounds?
Methane molecule is non-polar molecule. Explain.
Give two example in following case:
Liquid non polar compounds
Match the pairs.
| Group 'A' | Group 'B' |
| a. C2H6 | 1. Unsaturated hydrocarbon |
| b. C2H2 | 2. Molecular formula of an alcohol |
| c. CH4O | 3. Saturated hydrocarbon |
| d. C3H6 | 4. Triple bond |
Molecular formula of Propane is C3H8 , write the structural formula of propane.
What are the term defined below?
A bond formed by share pair of electrons, each bonding atom contributing one electron to the pair.
Name the types of Hydrocarbons.
The bond between two oxygen atoms is _______ bond.
The number of electrons in the valence shell of a carbon atom is 4.
Carbon forms four covalent bonds by sharing its four valence electrons with four univalent atoms, e.g., hydrogen. After the formation of four bonds, carbon attains the electronic configuration of ______.
Although metals form basic oxides, which of the following metals form an amphoteric oxide?
Write notes on the characteristics of covalent compounds.
