41 - 49 of 49 Questions
# | Question | Ans |
---|---|---|
41. |
A red precipitate of copper (I) carbide is formed when ammonium solution of copper (I) chloride is introduced into A. CH2 = CH - CH2 - CH3 B. CH3 CH2 - C ≡ CH C. CH3 CH2 CH2 CH3 D. CH3 - C C - CH3 |
B |
42. |
Reduction of nitroalkanes, nitrites and amides is a route for the preparation of A. amines B. alkenes C. polymers D. detergents |
A |
43. |
Reduction of alkanonoes with LialH4 produces A. primary alkanols B. secondary alkanols C. tertiary alkanols D. polyhydric alkanols |
B |
44. |
The product obtained when a mixture of benzene vapour and hydrogen are passed over nickel catalyst at 180oC is A. cyclohexane B. cyclopentane C. n- hexane D. n - pentane |
A |
45. |
Polyvinyl chloride is used in the production of A. glass B. alloy C. pipes D. ceramics |
C |
46. |
Detergents are manufactured with straight hydrocarbon chains so as to make them A. soluble B. biodegradable C. cheaper D. foamy |
B |
47. |
The gas that can be used to demonstrate the experiment is A. hydrogen chloride B. hydrogen sulphide C. nitrogen(ll) oxide D. dinitrogen (l) oxide |
A |
48. |
The colour of the fountain water is A. blue B. orange C. red D. yellow |
C |
49. |
Choose the correct option from the structure above A. A B. B C. C D. D |
C |
41. |
A red precipitate of copper (I) carbide is formed when ammonium solution of copper (I) chloride is introduced into A. CH2 = CH - CH2 - CH3 B. CH3 CH2 - C ≡ CH C. CH3 CH2 CH2 CH3 D. CH3 - C C - CH3 |
B |
42. |
Reduction of nitroalkanes, nitrites and amides is a route for the preparation of A. amines B. alkenes C. polymers D. detergents |
A |
43. |
Reduction of alkanonoes with LialH4 produces A. primary alkanols B. secondary alkanols C. tertiary alkanols D. polyhydric alkanols |
B |
44. |
The product obtained when a mixture of benzene vapour and hydrogen are passed over nickel catalyst at 180oC is A. cyclohexane B. cyclopentane C. n- hexane D. n - pentane |
A |
45. |
Polyvinyl chloride is used in the production of A. glass B. alloy C. pipes D. ceramics |
C |
46. |
Detergents are manufactured with straight hydrocarbon chains so as to make them A. soluble B. biodegradable C. cheaper D. foamy |
B |
47. |
The gas that can be used to demonstrate the experiment is A. hydrogen chloride B. hydrogen sulphide C. nitrogen(ll) oxide D. dinitrogen (l) oxide |
A |
48. |
The colour of the fountain water is A. blue B. orange C. red D. yellow |
C |
49. |
Choose the correct option from the structure above A. A B. B C. C D. D |
C |