Physics Nunericals Ch#13... provided by Wisdom Academy.... SnOw MaN
Monday, 23 November 2015
Tuesday, 7 July 2015
Chemistry Ch.#11
Wisdom Academy
Chemistry
Ch. # 11
11.1
i. Why and how carbon complete its
octet?
Ans. Carbon complete its octet to
achieve stability. And it complete its octet by completing its tetra-valency.
ii. Point out the properties of carbon
which are responsible for the formation of long chains of carbon atom in
organic compounds?
Ans. These properties are:
1.
Catenation.
2.
Isomerism.
3.
Strength
of covalent bonds of carbon
4.
Multiple
Bonding.
iii. Why the melting and boiling points
of organic compounds is low?
Ans. The melting and boiling point
of organic compounds is low because, covalent bond is present b/w them. It is a
very weak bond.
iv. Why the organic compounds are
poor conductor of electricity?
Ans. Organic compounds are poor
conductor of electricity because covalent bonding is present b/w them and they
do not forms ions in water. So, they are poor conductor.
v. What are the reasons for the
formation of millions of organic compound?
Ans. The main reasons for the
formation of millions of organic compound is isomerism, catenation, strength of
covalent bonds in carbon and multiple bonding. These properties are not present
in in-organic compounds. They are the cause of formation of many organic
compounds.
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