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Standard XII
Chemistry
Free Radical Halogenation
19. A liquid ...
Question
19. A liquid was mixed with ethanol and a drop of concentrated sulphuric acid was added a compound with a fruity smell was formed the liquid was 1) methanol 2) formaldehyde 3) acetone 4) ethanoic acid
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Q.
A liquid was mixed with ethanol and a drop of concentrated
H
2
S
O
4
was added. A compound with a fruity smell was formed. The liquid was:
Q.
Ethanoic acid was added in drops to water and it was noticed that:
(1) the acid formed a separate layer on the top of water
(2) water formed a separate layer on the top of the acid
(3) a clear and homogeneous solution was formed
(4) a pink and clear solution was formed
Q.
A few drops of ethanoic acid were added to solid sodium carbonate. The observation made was that :
(1) a hissing sound was produced
(2) brown fumes evolved
(3) brisk effervescence occurred
(4) a pungent smelling gas was evolved
Q.
When ethanol reacts with ethanoic acid in presence of conc.
H
2
S
O
4
a substance with fruity smell is produced, based on this answer the following:
1) State the class of compounds to which the fruity smelling compound belongs to.
2)
Write the role of
H
2
S
O
4
.
Q.
A student warmed a neutral organic compound with some ethanoic acid and a little of concentrated sulphuric acid in a test-tube. He observed that vapours having sweet smell (fruity smell) are evolved.
(a) What type of functional group is present in this organic compound?
(b) Give the name and formula of one such organic compound.
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