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प्रश्न
What is graphite?
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उत्तर
Graphite is an allotrope of carbon, and is a soft, greyish black and opaque substance. The graphite is made up of carbon atoms
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संबंधित प्रश्न
State the reason to explain why covalent compounds "are bad conductors of electricity".
What type of chemical bond is formed between carbon and bromine?
Why does carbon form compounds mainly by covalent bonding?
Write two points of difference in the structures of diamond and graphite.
Complete the following:
When the nuclei of two different reacting atoms are of ______ mass, then a bond so formed is called ______ covalent bond. (equal, unequal, polar, non-polar)
Draw an electron dot diagram for the formation of the following. State the type of bonding present in them.
Hydroxyl ion
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
Draw all possible structural formulae of compound from their molecular formula given below.
C3H8
Write answer as directed.
What causes the existance of very large number of carbon compound ?
Write answer as directed.
Saturated hydrocarbons are classified into three types. Write these names giving one example each.
Explain the structure of Hydronium ion.
Potassium chloride is an electrovalent compound, while hydrogen chloride is a covalent compound, But, both conduct electricity in their aqueous solutions. Explain.
Write the molecular formula of the given compound.
Propylene
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)
| \[\begin{array}{cc}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\\ |\phantom{....}|\phantom{....}|\\\ce{H - C - C - C - H}\\ |\phantom{....}|\phantom{....}|\\\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H} \end{array}\] |
Which of the following is the purest form of carbon?
When ethyl alcohol and acetic acid are mixed, the resulting ester has a chemical formula ______.
The number of single and double bonds present in a molecule of benzene (C6H6) respectively, are ______.
