Advertisements
Advertisements
प्रश्न
What happens when methane (natural gas) burns in air? Write the chemical equation of the reaction involved.
उत्तर
When methane (natural gas) burns in air, carbon dioxide and water vapour are formed along with the release of a large amount of heat. This process is known as combustion.
APPEARS IN
संबंधित प्रश्न
What are covalent compounds?
What would be the electron-dot structure of carbon dioxide which has the formula CO2?
Give one example of a molecule containing a triple covalent bond.
Why does carbon form compounds mainly by covalent bonding?
What type of bonding would you expect between Hydrogen and Chlorine?
Draw the electron-dot structure of N2 and state the type of bonding.
Explain why, diamond can be used in rock drilling equipment but graphite cannot.
State one use of diamond which depends on its 'extraordinary brilliance' and one use of graphite which depends on its being 'black and quite soft'.
Describe the structure of graphite with the help of a labelled diagram.
State the type of bonding in the following molecule.
Hydroxyl ion
Give two example in following case:
Gaseous non polar compounds
Taking hydrogen chloride and methane as examples, distinguish between a polar covalent bond and a non polar covalent bond.
Explain why Carbon tetrachloride does not dissolve in water.
Fill in the blank with correct word from the bracket.
Melting and boiling points of covalent compounds are generally ______ (low, high).
State the type of bond formed when the combining atom has small E.N. difference.
Generally, the melting and boiling point of carbon compounds are found to be less than _______ °C.
Number of valence electrons in a carbon atom is _______.
Complete the following activity.
Write the names of the hydrocarbons for the following structural formula.
(isobutylene, cyclohexane, propene, cyclohexene, cyclopentane, benzene, propyne, isobutane, propane)
![]() |
An element A is soft and can be cut with a knife. This is very reactive to air and cannot be kept open in air. It reacts vigorously with water. Identify the element from the following
The number of single and double bonds present in a molecule of benzene (C6H6) respectively, are ______.