Which of the following substances exhibit bonding? Draw the hydrogen bonds between two moleculas of the substance where appropriate : (i) `CH_(3)CH_(2)OH` (ii) `CH_(3)overset(O)overset(||)C-CH_(3)` (iii) `CH_(3)-overset(O)overset(||)C-OH` (iv) `CH_(3)-overset(O)overset(|)C-NH_(2)`

Explanation

To determine which of the given substances exhibit hydrogen bonding and to draw the hydrogen bonds between two molecules where appropriate, we will analyze each compound one by one.

### Step-by-Step Solution:

1. **Identify the compounds:**
- (i) `CH₃CH₂OH` (Ethanol)
- (ii) `CH₃C(=O)C(CH₃)₂` (Acetone)
- (iii) `CH₃C(=O)OH` (Acetic acid)
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