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Standard XII
Chemistry
Physical Properties of Alkynes
Alkynes are h...
Question
Alkynes are heavier than water.
A
True
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B
False
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Solution
The correct option is
B
False
Alkynes are lighter than water.
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Similar questions
Q.
Identify the incorrect statement/statements :
(i) Alkynes are more reactive than alkenes towards electrophilic addition reaction
(ii) Alkynes are less reactive than alkenes towards electrophilic addition reaction
(iii) Alkynes decolourise
B
r
2
water
(iv) Addition of
H
B
r
to alkenes in presence of peroxide proceeds via Markovnikov's rule
Q.
Identify the incorrect statement/statements :
(i) Alkynes are more reactive than alkenes towards electrophilic addition reaction
(ii) Alkynes are less reactive than alkenes towards electrophilic addition reaction
(iii) Alkynes decolourise
B
r
2
water
(iv) Addition of
H
B
r
to alkenes in presence of peroxide proceeds via Markovnikov's rule
Q.
Assertion :Alkenes and alkynes are more reactive than alkanes. Reason: Alkenes and alkynes possess multiple bonds.
Q.
Alkynes are more acidic than alkanes and alkenes due to:
Q.
Alkynes are less reactive than alkenes towards addition of
B
r
2
because.
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