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प्रश्न
How buckminsterfullerene is it related to diamond and graphite?
उत्तर
Buckminstterfullerene along with diamond and graphite are allotropes of the element carbon with symbol C.
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संबंधित प्रश्न
State the reason to explain why covalent compounds "have low melting and boiling points."
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Fill in the following blank with suitable word:
The form of carbon which is known as black lead is ...........
The number of covalent bonds in pentane (molecular formula C5H12) is:
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State the type of bonding in the following molecule.
Methane
Draw an electron dot structure of the following molecule. (Without showing the circle) :
Ethene
Explain the following term with example.
Homopolymer
Explain the following briefly.
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Explain why carbon tetrachloride does not dissolve in water.
Name two compounds that are covalent when taken pure but produce ions when dissolved in water.
What is the difference between :
Ionic compounds and covalent compounds
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(i) oxidation
(ii) reduction
(iii)oxidising agent
(iv)reducing agent
Covalent bonds can be single, double or triple covalent bonds. How many electrons are shared in each? Give an example of each type.
Generally, the melting and boiling point of carbon compounds are found to be less than _______ °C.
Complete the following activity.
Write the names of the hydrocarbons for the following structural formula.
(isobutylene, cyclohexane, propene, cyclohexene, cyclopentane, benzene, propyne, isobutane, propane)
| \[\begin{array}{cc}\phantom{......}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{..}\\ \phantom{.....}|\phantom{....}|\phantom{....}|\\ \ce{H - C - C = C}\\\phantom{.....}|\phantom{.........}|\\ \phantom{.....}\ce{H}\phantom{........}\ce{H}\end{array}\] |
