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Chemistry Class 12 Chapter 7
Fundamental Principals of Organic Chemistry
Test 10
1.
Pentane and 2-methyle butane have same?
Melting point
Boiling point
Structural formula
Percentage composition
2.
For cis-trans two group attach to the same carbon atom must be?
Same
Any one can be used
Different
Hydrocarbon
3.
Compounds that are non-polar and show weak intermolecular forces have?
Low melting points
Low vapour pressure
Highly conductive
High boiling points
4.
Geometric isomerism is usually found in?
Alkenes
Ether
Alkynes
Alkanes
5.
Carbon is not electropositive element as it belongs to group?
VI-A
IV-A
V-A
III-A
6.
Reforming can be carried out by?
Addition of aromatic compounds
Cracking
All of these
Isomerism
7.
Main source of organic compounds is?
Fossils
Animals
Coal
Plants
8.
Which is the property of functional group?
All of these
These are organic and inorganic in nature
Chemically functional part of molecules
Each functional group defines a organic family
9.
Octane number can be improved by?
Condensation
Melting process
Cracking
Reforming
10.
Isomerism due to difference in nature of carbon chains is called?
None of these
Metamerism
Functional group isomerism
Chain isomerism
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