Advertisements
Advertisements
Question
What type of bond is present in methane (CH4)?
Advertisements
Solution
The chemical bond in methane (CH4) is covalent, as a carbon atom shares its four valence electrons with four hydrogen atoms to form a methane molecule.
APPEARS IN
RELATED QUESTIONS
Elements forming ionic compounds attain noble gas configuration by either gaining or losing electrons from their outermost shells. Give reason to explain why carbon cannot attain noble gas configuration in this manner to form its compounds.
The number of single covalent bonds in C2H2 molecule are ______.
Compare the properties of ionic compounds and covalent compounds.
Why is diamond used for making cutting tools (like glass cutters) but graphite is not?
Using electron-dot diagrams which show only the outermost shell electrons, show how a molecule of oxygen, O2, is formed from two oxygen atoms. What name is given to this type of bonding? (At. No. of oxygen = 8)
Which of the following has a triple bond as well as single bonds?
(a) ethene
(b) methane
(c) ethyne
(d) nitrogen
Which of the following cannot exhibit isomerism?
(a) C4H10
(b) C5H12
(c) C3H8
(d) C6H14
The number of carbon atoms joined in a spherical molecule of buckminsterfullerene is:
(a) fifty
(b) sixty
(c) seventy
(d) ninety
State the type of bonding in the following molecule.
Ammonium ion
Define a coordinate bond.
Give two example in following case:
Gaseous non polar compounds
Distinguish between ionic and covalent compounds under the following properties:
(i) Strength of forces between constituent elements
(ii) Solubility of compounds in water
(iii) Electrical conduction in substances
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 |
Fill in the blank with correct word from the bracket.
Melting and boiling points of covalent compounds are generally ______ (low, high).
Acids dissolve in water and produce positively charged ions. Draw the structure of these positive ions.
The bond between two oxygen atoms is _______ bond.
Write an Explanation.
Alkyne
Complete the following activity.
Write the names of the hydrocarbons for the following structural formula.
(isobutylene, cyclohexane, propene, cyclohexene, cyclopentane, benzene, propyne, isobutane, propane)
 |
"Carbon prefers to share its valence electrons with other atoms of carbon or with atoms of other elements rather than gaining or losing the valence electrons in order to attain noble gas configuration." Give reasons to justify this statement.
Non-polar covalent compounds are ______ conductors of heat and electricity.
