Question

Identify the number of secondary carbon atoms in glucose.

Options

• 6

• 4

• 3

• 2

Answer 1

4

Explanation:

\[\begin{array}{cc}
\phantom{.....}\ce{CHO}\\
2°|\\
\phantom{....}\ce{H - C - OH}\\
2°|\\
\ce{HO - C - H}\\
2°|\\
\phantom{....}\ce{H - C - OH}\\
2°|\\
\phantom{....}\ce{H - C - OH}\\
\phantom{..}|\\
\phantom{........}\ce{\underset{Glucose}{CH2OH}}
\end{array}\]

number of 2° 'C ' atoms = 4