MCQ
Number of secondary carbon atoms present in the below compounds are respectively :
- ✓$6,4,5$
- B$4,5,6$
- C$5,4,6$
- D$6,2,1$
✓
Answer
Correct option: A.
$6,4,5$
a
Benzene contains $6$ secondary carbon atoms.
Benzene contains $6$ secondary carbon atoms.
$o$-xylene contains $4$ secondary carbon atoms, $2$ primary carbon atoms and $2$ tertiary carbon atoms.
Toluene contains $5$ secondary carbon atoms, $1$ primary carbon atom and $1$ tertiary carbon atom.
A primary carbon atom is attached to only one other carbon atom.
A secondary carbon atom is attached to two other carbon atoms.
A tertiary carbon atom is attached to three other carbon atoms
A quaternary carbon atom is attached to four other carbon atoms.
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