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Physical Properties of Alkenes

How many of t...

Question

How many of the following five alkenes: propene, butene, pentene, hexene, and heptene are liquid at room temperature?

A

1

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B

2

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C

3

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D

4

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Solution

The correct option is D 3
Till butene, alkenes are gases and above it they are liquid. So, gases are ethene, propene and butene are gases and pentene, hexene and heptene are liquid.

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Similar questions

Q. From the list of alkenes given below, identify the alkenes which on ozonolysis give only ketones.
(a) 2 methyl-1-butene
(b) 1-butene
(c) 2,3-dimethyl-2-butene
(d) 3-methyl-2-pentene
(e) 3,4-dimethyl-3- hexene
(f) 2,5-dimethyl-2,4-hexadiene

Q. From the list of alkenes given below, identify the alkenes which on reductive ozonolysis given only ketones.
(a) 2-methyl-1-butene
(b) 1-butene
(c) 2,3-dimethyl-2-butene
(d) 3-methyl-2-pentene
(e) 3,4-dimethyl-3-hexene
(f) 2,5-dimethyl-2,4-hexadiene

There are some alkenes are given as follow:

2-methyl propene, cis-2-butene, trans-2-butene

Which of the following is the correct order for increasing order of reactivity for acid catalyzed hydration?

1) trans-2-butene< cis-2-butene < 2-methyl propene

2) cis-2-butene< trans-2-butene < 2-methyl propene

3) 2-methyl propene < trans-2-butene < cis-2-butene

There are some compounds which are as follow:

1-hexene, 2-methyl-1-pentene, 2-hexene

Which of the following is the correct order for increasing order of reactivity for acid catalyzed hydration?

1)1-hexene<2-hexene<2-methyl-1-pentene

2)2-hexene<1-hexene<2-methyl-1-pentene

3)2-methyl-1-pentene<1-hexene<2-hexene

Q. 1-Pentene and 3-methyl-1-butene are _______ .

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