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Haloalkanes and Haloarenes

Short Answer Type

371.

What happens when trimethylene dibromide is heated with zinc?

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372. Why alkyl halide has the highest density then water and why?

Alkyl halide has the higest density then water because density increases with increase in number of carbon atoms and halogen atom as atomic mass increase.

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373.

How will you obtain 2-bromopropane from propene?

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374. Account for the following observation:
The boiling point of ethyl bromide is higher than that of ethyl chloride.

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375.

Account for the following observation:
n-propyl chloride boils at a high temperature than methyl chloride.

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376.

Account for the following observation:
Haloalkanes are denser than the corresponding hydrocarbons.

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377. Explain the following terms:
(i) Nucleophile (ii) Nucleophilic reagent and (iii) Nucleophilic substitution.

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378. How will you distinguish between Vinyl chloride and ethyl chloride.

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379. How will you distinguish between Chlorobenzene and cyclohexyl chloride.

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380. How will you distinguish between Ethyl chloride and ethyl bromide.

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