The covalent bond length is the shortest in which of the following bonds

Options

A. C-O
B. C-C
C. `C-=N`
D. O-H

Explanation

To determine which covalent bond has the shortest bond length among the given options, we will analyze the bond lengths provided in the video transcript.

### Step-by-Step Solution:

1. **Identify the Bonds and Their Lengths**:
From the video transcript, we have the following bond lengths:
- CO (Carbon-Oxygen) = 143 pm
- CCC (Carbon-Carbon) = 154 pm
- C≡N (Carbon-Nitrogen, triple bond) = 116 pm
- OH (Oxygen-Hydrogen) = 96 pm

2. **Compare the Bond Lengths**:
We need to compare the lengths of the bonds listed:
- CO: 143 pm
- CCC: 154 pm
- C≡N: 116 pm
- OH: 96 pm

3. **Identify the Shortest Bond Length**:
Among the bond lengths provided, we see that:
- The bond length of OH (96 pm) is the shortest compared to the other bonds.

4. **Conclusion**:
Therefore, the covalent bond length is the shortest in the OH bond.

### Final Answer:
The covalent bond length is the shortest in the OH bond.