Question

2.
The functional groups present in propanol and propanal respectively are
(A)
– OH and — CHO
(B)
(C)
(D)
– OH and – COOH
– CHO and — COOH
- CHO and - co
​

Answer 1

answer : A option

explanation :

in propanol the functional group present is alcohol grou(-OH)

in propanol the functional group present is aldehyde group(-CHO)

the structure is as shown in figure

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Answer 2

The functional groups present in propanol and propanal are -OH and -CHO respectively ( option- A).

• In propanol, the functional group is alcohol.
• Alcohol is denoted as "-OH".
• When -OH group acts as a prefix, it is written as "hydroxy", and when it is used as a suffix it is written as "ol".
• Propanol is a three carbon-compound with alcohol (-OH) as a functional group attached at carbon 1.
• In propanal, the functional group is an "aldehyde".
• Aldehyde is denoted as "-CHO ".
• -CHO group is written as " -al" as a suffix.
• Propanal is a three carbon-compound with aldehyde as a functional group attached at carbon 1.