Inter Part.2 YEAR CHEMISTRY
GUESS PAPER Annual 2019
Short Questions
1. Periods inwards periodic tabular array merits in addition to demerits of Mendeleev s’ periodic tables.
2. Why 1st-electron affinity is negative in addition to 2d is positive?
3. Why the oxidation nation of noble gases is unremarkably zero?
4. Amphoteric oxides. And interrogation publish seven - xiii from exercise.
5. Why aqueous solution of Na2CO3 is alkaline inwards nature.
6. Give advantages of Down’s cell.
7. Why lime H2O tums milky alongside CO2 but becomes clear alongside excess CO2?
8. How Gypsum is converted into Plaster of Paris?
9. Write whatever 4 uses of borax?
10. CO2 is a gas spell SiO2 is solid at room temperature. Justify?
11. What is meant yesteryear chemic garden?
12. Why silicones are to a greater extent than proffered over petroleum.
13. P203 is a powerful dehydrating agent. Give 2 examples.
14. Why SO3 is dissolved inwards H2SO4 in addition to non inwards water. Write whatever 4 of import uses of H2SO4?
15. Write whatever 4 of import uses of H2SO4 ?
16. HF is weak acid spell HCl is rigid acid. Give reason.
17. What are freons in addition to Teflons?
18. How xenon tetraoxide is prepared.
19. How does procedure of galvanizing protect Fe from rusting?
20. Give whatever 2 uses of KMnO4?
21. Typical in addition to nontypical transition elements.
22. How chromates are converted into dichromats.
23. Differentiate betwixt homocycle & heterocyclic compounds?
24. What is the functional group? Give examples
25. Metamerism, Tautomerism in addition to functional grouping isomerism.
26. Explain Markownikov's role alongside ane example?
27. How ethyne is converted to a) Acetaldehyde b) Benzene?
28. Differentiate betwixt mono in addition to polycydic aromatic compound.
29. Prepare benzene yesteryear 2 methods particularly from alkanes.
30. Give full general machinery patterns of sec 2 reaction?
31. Reactivity of alkyl halides. Questions 8,12 from exercise.
32. Explain Markownikov's role alongside ane example?
33. How ethyne is converted to a) Acetaldehyde b) Benzene?
34. Explain denaturing of alcohol?
35. How volition yous distinguish betwixt methanol & ethanol?
36. Prepare phenol from chlorobenzene yesteryear Dow's method?
37. Why phenol is acidic spell alcohol is not?
38. Write downwards 4 uses of acetaldehyde?
39. Write 4 uses of formaldehyde?
40. Prepare lactic acid from ethanols.
41. Define in addition to differentiate betwixt essential and non-essential amino acids.
42. What is Zwitter ion? Differentiate betwixt aromatic carboxylic acid in addition to obese acids.
43. Differentiate betwixt polypeptide in addition to proteins.
44. Esta formation, acid halide, in addition to amide formations
45. Give two difference betwixt oils in addition to fats?
46. Define saponification publish in addition to iodine number?
47. Write downwards of import uses of Lipids?
48. Difference betwixt improver in addition to condensation polymerizations
49. Differentiate betwixt deoxyribonucleic acid in addition to RNA
50. Give 2 departure betwixt oils in addition to fats?
51. What are phosphatic fertilizers?
52. Give 2 formulas of phosphatic fertilizers.
53. Define paper, laissez passer on of import raw textile for the industry of paper?
54. Define environmental chemical scientific discipline in addition to what are the components of Environment?
55. Discuss photochemical smog in addition to laissez passer on its properties?
56. Why Ozone layer depleting?
57. What is biochemical oxygen demand?
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