`H_(2)O and H_(2)O_(2)` resemble in

Options

A. Hybridisation of oxygen
B. Oxidation state of oxygen
C. Structure
D. Bond angle

Answer

To determine how \( H_2O \) (water) and \( H_2O_2 \) (hydrogen peroxide) resemble, we will analyze the given options step by step.

### Step 1: Draw the Structures
1. **Water (\( H_2O \))**: The structure of water is bent or V-shaped due to the two lone pairs of electrons on the oxygen atom.
2. **Hydrogen Peroxide (\( H_2O_2 \))**: The structure of hydrogen peroxide is an open book structure, where each oxygen is bonded to another oxygen and a hydrogen atom. Each oxygen also has two lone pairs.

### Step 2: Analyze Hybridization
- **Water (\( H_2O \))**:
- Oxygen forms 2 bonds (with hydrogen) and has 2 lone pairs.
- The steric number (number of bond pairs + number of lone pairs) is \( 2 + 2 = 4 \).
- Therefore, the hybridization of oxygen in water is \( sp^3 \).

- **Hydrogen Peroxide (\( H_2O_2 \))**:
- Each oxygen forms 2 bonds (one with hydrogen and one with another oxygen) and has 2 lone pairs.
- The steric number is also \( 2 + 2 = 4 \).
- Thus, the hybridization of oxygen in hydrogen peroxide is also \( sp^3 \).

### Conclusion for Hybridization
Both \( H_2O \) and \( H_2O_2 \) have oxygen atoms that are \( sp^3 \) hybridized. Therefore, the first option is correct.

### Step 3: Analyze Oxidation State
- **Water (\( H_2O \))**:
- The oxidation state of oxygen is \( -2 \) because it forms two bonds with hydrogen.

- **Hydrogen Peroxide (\( H_2O_2 \))**:
- The oxidation state of oxygen is \( -1 \) because each oxygen is bonded to another oxygen and one hydrogen.

### Conclusion for Oxidation State
The oxidation states of oxygen in \( H_2O \) and \( H_2O_2 \) are different. Thus, the second option is incorrect.

### Step 4: Analyze Structure
- The structure of water is bent (V-shaped), while the structure of hydrogen peroxide is an open book shape.

### Conclusion for Structure
Since the structures are different, the third option is incorrect.

### Step 5: Analyze Bond Angles
- **Water (\( H_2O \))**: The bond angle is approximately \( 104.5^\circ \).
- **Hydrogen Peroxide (\( H_2O_2 \))**: The bond angle is around \( 101.9^\circ \).

### Conclusion for Bond Angles
The bond angles are different, so the fourth option is also incorrect.

### Final Answer
The correct resemblance between \( H_2O \) and \( H_2O_2 \) is that **both have \( sp^3 \) hybridized oxygen atoms**.