Question

use this condensed chemical structure to complete the table below.
ch₃—c—o—c—ch₃ the condensed chemical structure of acetic anhydride
some facts about the acetic anhydride molecule:
number of carbon - carbon single (c - c) bonds:
number of carbon - hydrogen single (c - h) bonds:
number of lone pairs:

Explanation:

Step1: Count C - C bonds

In $CH_3 - C - O - C - CH_3$, there are 0 carbon - carbon single bonds.

Step2: Count C - H bonds

Each $CH_3$ group has 3 C - H bonds. Since there are 2 $CH_3$ groups, the number of C - H bonds is 6.

Step3: Count lone pairs

Oxygen atoms have lone pairs. Each carbonyl oxygen has 2 lone pairs and the bridging oxygen has 2 lone pairs. So in total, there are 6 lone pairs (2 on each of the 3 oxygen atoms).

Answer:

number of carbon - carbon single (C - C) bonds: 0
number of carbon - hydrogen single (C - H) bonds: 6
number of lone pairs: 6