41. |
Which of the following compounds is used as analgesic drug ?
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Answer:
Option (d) |
42. |
Total possible isomers of C4H10O are :
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Answer:
Option (b) |
43. |
On the basis of which law, product 2-propanol is obtained by acid catalysed hydration of propene ?
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Answer:
Option (b) |
44. |
Which is the following compounds gives tertairy alcohol with Grignard reagent ?
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Answer:
Option (c) |
45. |
Which of the following statements is not suitable for dehydration of alcohorol ?
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Answer:
Option (c) |
46. |
Salicyclic acid when heated with Zn powder gives product 'A', which reacts with lithium aluminium hydride formed product 'B', then what are 'A' and 'B' respectively ?
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Answer:
Option (a) |
47. |
C4H10O and dilute sulphuric acid are heated in closed vessel under pressure gives product 'A' which when heated with concentrated sulphuric acid at 413 K temperature gives C4H8O .
Which are C4H10O and 'A' respectively ?
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Answer:
Option (b) |
48. |
Place T for true statement and F for false statement and select correct choice:
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Answer:
Option (c) |
49. |
Which are A, B and C in the following Kolbe Schimtt reaction respectively ?
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Answer:
Option (a) |
50. |
Which are the compounds A, B and C respectively in the above reaction ?
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Answer:
Option (c) |