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प्रश्न
State whether the following statement is true or false:
Diamond and graphite are the covalent compounds of carbon element (C)
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उत्तर
False
Diamond and graphite are the allotropic forms of carbon (C) with covalent bonding between different carbon atoms.
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संबंधित प्रश्न
State the reason why carbon can neither form C4+ cations nor C4− anions but forms covalent compounds.
Name the following:
The property of element by virtue of which atoms of the element can link to each other in the form of a long chain or ring structure.
Why are most carbon compounds poor conductors of electricity?
Name the element whose one of the allotropic forms is buckminsterfullerene.
Buckminsterfullerene is spherical molecule in which 60 carbon atoms are arranged in interlocking hexagonal and pentagonal rings of carbon atoms.
How many pentagons of carbon atoms are present in one molecule of buckminsterfullerene?
Fill in the blank in the following sentence:
In forming N2 molecule, .............. electrons are shared by each atom of nitrogen.
What type of bond exist in CCl4?
How buckminsterfullerene is it related to diamond and graphite?
Using electron-dot diagrams which show only the outermost shell electrons, show how a molecule of nitrogen, N2, is formed from two nitrogen atoms. What name is given to this type of bonding? (Atomic number of nitrogen is 7)
Describe the structure of graphite with the help of a labelled diagram.
The organic compound prepared by Wohler from an inorganic compound called ammonium cyanate was:
(a) glucose
(b) urea
(c) uric acid
(d) vinegar
A saturated hydrocarbon has fifty hydrogen atom in its molecule. The number of carbon atoms in its molecule will be
(a) twenty five
(b) twenty four
(c) twenty six
(d) twenty seven
What is the difference between ionic compounds and polar covalent compounds?
Explain the following term with example.
Unsaturated hydrocarbon
Explain why Carbon tetrachloride does not dissolve in water.
Name the types of Hydrocarbons.
Complete the following activity.
Write the names of the hydrocarbons for the following structural formula.
(isobutylene, cyclohexane, propene, cyclohexene, cyclopentane, benzene, propyne, isobutane, propane)
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Considering MgCl2 as ionic compound and CH4 as covalent compound give any two differences between these two compounds.
The correct structural formula of butanoic acid is
"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.
