Question

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Ques:- Write the physical properties of Alkanes

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Answer 1

alkanes
general formula is Cn H2n+2
its physical properties vary
first are gases
medium r liqid while
others r solids

Answer 2

1. Physical State
The first three alkynes are gases while those containing five to thirteen carbon atoms are liquids and higher alkynes are solids.
2. Melting and Boiling Points
The melting and boiling points of alkynes are quite low and increase regularly with increase in molecular mass. Alkynes are less volatile than alkanes and alkenes.
3. Solubility
Alkynes are insoluble in water but are soluble in organic solvents such as benzene, hexane, ether, carbon tetrachloride, etc.
4. Density
All alkynes are lighter than water. Their densities increase regularly with increase in molecular mass.


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