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Byju's Answer
Standard X
Chemistry
Aromatic Compounds
The functiona...
Question
The functional group present in propanal is:
(a) −OH
(b) −COOH
(c) −CO−
(d) −CHO
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Solution
(d) -CHO
The functional group present in propanal (C
2
H
5
CHO) is -CHO (aldehyde group).
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Q.
Butanone is a four-carbon compound having the functional group:
(a) −COOH
(b) −CHO
(c) −CO−
(d) −OH
Q.
In the given reaction
C
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a
i
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(
I
I
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/
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u
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[X] is:
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H
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Name the functional group present in
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C
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Q.
In the given reaction
C
6
H
5
−
C
H
3
→
a
i
r
/
M
n
(
I
I
)
/
C
u
(
I
I
)
△
[
X
]
[X] is:
(
a
)
C
6
H
5
−
C
H
O
(
b
)
C
6
H
5
−
C
O
O
H
(
c
)
C
6
H
5
−
C
H
2
O
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(
d
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C
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H
5
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Q.
(a) What is meant by a functional group? Explain with an example.
(b) Write three common functional groups present in organic compounds. Giver their symbols/formulae.
(c) Name the functional groups present in the following compounds:
(i) CH
3
COOH
(ii) CH
3
CH
2
CHO
(iii) C
2
H
5
OH
(iv) CH
3
COCH
2
CH
3
(d) Name the functional group which always occurs in the middle of a carbon chain.
(e) Draw the structures for the following compounds:
(i) Ethanal
(ii) Propanal
(iii) Butanal
(iv) Pentanal