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Class-11 Chemistry 153-2022 Paper Solutions

1. Choose and write the correct option - The empirical formula of compound is CH2. Atomic mass is 42 gram.
2. Fill in the blank with correct option. (i) ............have same number of proton. (Isobar/ Isotopes / Iso-pressure)
3. Match the columns and write the correct pair - (i) Father of Modern Chemistry - (a) Orientation
4. Write the Answer in one sentence each - (i) What will be the mass of 22.4 L of CO2 at STP?
5. What is mole concept?
6. How will we prove that air is a mixture and not a compound?
7. What is shielding effect?
8. Why do elements in the same group have similar physical and chemical properties?
9. Which molecule has more dipole moment in NH3 and NF3 and why?
10. Why the H-N-H bond angle in NH3 is greater than the H-P-H bond angle in PH3?
11. What is critical temperature and critical pressure?
12. Which one is heavier between wet air and dry air and why?
13. What is Henry's law?
14. What is pH scale? Describe it.
15. Explain, why sodium is less reactive than potassium?
16. What happens? When - (i) Magnesium is burned in air. (ii) Chlorine reacts with slaked lime.
17. What is Electrophile and Nucleophile?
18. Describe the structure of carbocation.
19. Write the bond line formula of the following given compound - (i) Isopropyl Alcohol (ii) 2, 3 - Di Methyl Butane
20. Write two differences between Inductive effect and Electromeric effect.
21. Describe the (n + l) Rule with example.
22. Write down the full symbols of atoms having Atomic mass (A) and Atomic number (Z)- (i) Z =17 , A = 35
23. What is PV=nRT? Write and prove.
24. Define the following - (i) Combustion heat (ii) Neutralization heat
25. Describe the law of mass action rule with an example,
26. Describe the relation between Kp and Kc.
27. How will you convert benzene to the following? (i) Nitro Benzene (ii) Toluene (iii) Acetophenone
28. Write Huckle's law.
29. Prove that - CP - Cv = R
30. Explain Hess's law with example.
31. Describe the oxidation number of starred element - (i) K2Mn*O4 (ii) H2S2*O8 (iii) N*H—4 (iv) Cr2*O72- (v) Na*BH4
32. Write the use of Redox Reaction.
33. What is allotropy? Explain any two allotropes of carbon with example.
34. Explain it - (i) Catenation (ii) Inert pair effect (iii) Silicons
MP Board Class-11 Chemistry Notes

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