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Chemistry Class 10 Chapter 11 - Organic Chemistry - 3
1.
Which one of the following is the constituent of organic compounds?
a) All of these
b) Phosphorus
c) Carbon
d) Halogens
2.
The melting and boiling points of organic compounds are generally Low because?
a) They are brittle
b) They contain carbon
c) They are volatile
d) They are very abundant
3.
Organic compounds are soluble in?
a) Ether
b) Carbon disulphide
c) Benzene
d) All of these
4.
A series of related compounds in which any two adjacent molecules Differ by --CH
2
-- group is known as?
a) Functional group series
b) Analogous series
c) Organic series
d) Homologous series
5.
The reaction rate of organic compounds is generally slow due to having?
a) Hydrogen bonds
b) Covalent bonds
c) Ionic bonds
d) Coordinate covalent bonds
6.
A formula that describes the arrangement of atoms in molecules is known as?
a) Structural formula
b) Molecular formula
c) Condensed formula
d) Empirical formula
7.
Which one of the following is Not an Alkane?
a) Ethaneå
b) Propane
c) Ethane
d) Methane
8.
CH
3
CH
3
is the condensed structural formula of?
a) Methane
b) Propane
c) Ethane
d) Ethane
9.
The condensed structural formula of propane is?
a) CH
2
CH
3
b) CH
3
CH
3
c) CH
3
CH
2
CH
3
d) CH
4
10.
C
2H
6
is the molecular formula of? value="a" id="10aq" onClick="Touch(this,10,id,1,0)">
a) Ethane
b) Methane
c) Ethane
d) Propane
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