Class 11 Chemistry New Model Question Solution SET 1

Hey, Class 11 students!

If chemistry's got you curious and puzzled, we've got something awesome for you. Introducing the Class 11 Chemistry New Model Question Solution SET 1 – your guide to unraveling the mysteries of elements, compounds, and reactions.

Chemistry is all about how different things interact and make up the world around us. Imagine it like solving puzzles that help us understand why stuff behaves the way it does. With SET 1, you're getting a sneak peek into the kinds of questions that might pop up in your exams.

Now, here's the cool part – we're not leaving you hanging with just the questions. We've also got the solutions! And these aren't just regular answers. They're like maps that show you how to reach the treasure. As you follow the steps, you're not just getting answers – you're building a superpower to crack any chemistry challenge.

Group- A

1. The mode of hybridization of carbon in CO₂ is

1. sp ✓
2. sp²
3. sp3
4. none

2. Molecular weight of a volatile compound is equal to

1. Its vapour density
2. Square of its vapour density
3. Half of its vapour density
4. Double of the value of its vapour density ✓

3. Oxidation state of two Cl atoms in bleaching powder, CaOCl₂ are

1. -1, -1
2. +1, -1 ✓
3. +1, +1
4. 0, -1

4. Which gas diffuse most rapidly?

1. NO₂
2. CO₂
3. O₂
4. NH₃ ✓

5. Hydrogen gas cannot be obtained by

1. Zn and dil. H₂SO₄ ✓
2. Zn and dil.HNO₃
3. Mg + H2SO₄
4. Mg + H₂0

6. Which of following compound has the highest boiling point?

1. HCL
2. HBr
3. HF ✓
4. HI

7. Thomas slag is

1. Ca₃(PO₄)₂
2. CaSiO₃
3. Mixture of a and b ✓
4. FeSiO₃

8. The gasoline additive is

1. LED
2. DEL
3. TEL ✓
4. LET

9. Iodoform is heated with Ag powder to give

1. C₂H₂ ✓
2. C₂H₄
3. C₂H6
4. C3H8

10. Which of the following has positive inductive effect?

1. NO₂
2. CHO
3. R ✓
4. Cl

11. Operating profit of a chemical plant is equal to

1. Net profit + interest + tax ✓
2. Profit after tax + depreciation
3. Net profit + tax
4. Profit after tax