Advertisements
Advertisements
Question
Answer the following question.
Why are methane compounds have low melting and boiling points?
Advertisements
Solution
Covalent compounds have low intermolecular forces of attraction between the molecules and thus show low melting and boiling points. Since methane is also a covalent compound thus methane has very low melting and low boiling point.
APPEARS IN
RELATED QUESTIONS
In addition to some propane and ethane, LPG cylinders contain mainly two isomers of another alkane. Name the two isomers and write their condensed structural formulae.
Which of the following molecule is called buckministerfullerene?
C90 C60 C70 C120
Name the products formed when:
wood is burnt in the absence of air.
Give two uses for the following:
sugar charcoal
What is a fire extinguisher ? What is the substance used in the modern type of fire extinguishers ? How is it an improvement over the soda acid-type and the foam-type fire extinguishers ?
TRUE \ FALSE
Organic compounds are soluble in water.
State two characteristic features of carbon which when put together give rise to a large number of carbon compounds.
Explain the ways in which glucose is broken down in absence or shortage of oxygen.
What is hydrocarbon? Give its one example.
Give the structural difference between saturated and unsaturated hydrocarbons with two examples each.
Answer the following question.
Draw methane electron dot structure.
Carbon dioxide occurs both in the free state and in the combined state.
State three methods how carbon dioxide is added to the atmosphere.
Select the appropeiate option of the following statement:
A nitrogenous fertilizer obtained from carbon dioxide.
Match the following.
| 1. | Alkyne | Bucky Ball |
| 2. | Andre Geim | Oxidation |
| 3. | C60 | Graphene |
| 4. | Thermocol | Triple bond |
| 5. | Combution | Polystyrene |
Higher Order Thinking Skill.
Why do carbon exist mostly in combined state?
A large family of fullerene exists, starting at ______ and ______ reaching up to.
Cigarette smoking is a source of ______.
There is more abundance of carbon on the earth.
