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प्रश्न
Name a carbon containing molecule which has two double bonds.
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उत्तर
Carbon dioxide
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संबंधित प्रश्न
List three characteristic properties of covalent compounds.
Give reason why carbon compounds are generally poor conductors of electricity.
State the reason to explain why covalent compounds "have low melting and boiling points."
Explain the nature of the covalent bond using the bond formation in CH3Cl.
State whether the following statement is true or false:
Diamond and graphite are the covalent compounds of carbon element (C)
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?
Describe the structure of diamond. Draw a simple diagram to show the arrangement of carbon atoms in diamond.
State any two uses of graphite.
Why are covalent compounds generally poor conductors of electricity?
The solution of one of the following compounds will not conduct electricity. This compounds is:
(a) NaCl
(b) CCl4
(c) MgCl2
(d) CaCl2
Out of KCl, HCl, CCl4 and NaCl, the compounds which are not ionic are:
(a) KCl and HCl
(b) HCl and CCl4
(c) CCl4 and NaCl
(d) KCl and CCl4
You can buy solid air-freshners in shops. Do you think these substance are ionic or covalent? Why?
State the type of bonding in the following molecule.
Water
State the type of bonding in the following molecule.
Methane
Taking hydrogen chloride and methane as examples, distinguish between a polar covalent bond and a non polar covalent bond.
What do you understand by dipole (polar) molecule?
Write the molecular formula of the given compound.
Acetic acid
Write scientific reason.
Benzene compounds are called aromatic compounds.
Which of the following statements are correct for carbon compounds?
- Most carbon compounds are good conductors of electricity.
- Most carbon compounds are poor conductors of electricity.
- Force of attraction between molecules of carbon compounds is not very strong.
- Force of attraction between molecules of carbon compounds is very strong.
Which of the following compound(s) possesses a high melting point?
