CBSE BoardEnglish MediumSTD 10ScienceMODEL PAPER 11 Mark
MCQ
Butanone is a four carbon compound with the functional group:
A
- COOH
B
- CHO
C
- CO -
D
- OH
✓
Answer
-CO- Explanation: Butanone $\left( CH _3 COCH _2 CH _3\right)$ is the second member of ketones. It is a four carbon compound with ketone functional group CO-). The ketone functional group has two free valencies which are satisfied by one methyl $\left(- CH _3\right)$ group and one ethyl $(\left.C _2 H _5\right)$ group
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