| 1. | IN SP2 hybridization s character and p character is? |
| a. | | 77%,33 % |
| b. | | 33%67 % |
| c. | | 33.33 %, |
| d. | | Both b and c
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| 2. | main element of organic compounds is |
| a. | | H |
| b. | | Fe |
| c. | | C |
| d. | | He
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| 3. | What is the name for Anisole? |
| a. | | Methoxy benzene |
| b. | | Amino benzene |
| c. | | Hydroxy azo benzene |
| d. | | Hydroxy cyclohexane
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| 4. | what is the hybridization of Carbon in methane |
| a. | | sp2 |
| b. | | sp3 |
| c. | | sp |
| d. | | sp3d
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| 5. | what is an ideal gas equation? |
| a. | | PV=NRT |
| b. | | PV=nRT |
| c. | | dQ=dU+dW |
| d. | | PdV
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| 6. | What is the molar mass of the acetic acid? |
| a. | | 52 |
| b. | | 60 |
| c. | | 116 |
| d. | | 21
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| 7. | Which is the heavy gas? |
| a. | | H2O2 |
| b. | | H20 |
| c. | | D2O |
| d. | | N2
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| 8. | In which only sigma bond is present? |
| a. | | Propene |
| b. | | Butanoic acid |
| c. | | Butanal |
| d. | | Ethoxy butane
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| 9. | SN1 reaction completes in |
| a. | | single step |
| b. | | two steps |
| c. | | three steps |
| d. | | four steps
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| 10. | how many sigma bond present in 2,3,4-tri methyl hexane. |
| a. | | 5 |
| b. | | 28 |
| c. | | 27 |
| d. | | 9
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| 11. | meso tartaric acid which type symmetry? |
| a. | | plane of symmetry |
| b. | | Axis symmetry |
| c. | | Centre of symmetry |
| d. | | Helical symmetry
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| 12. | 3) Bimolecular reaction is called |
| a. | | a. SN1 reaction mechanism. |
| b. | | b. E1 reaction mechanism. |
| c. | | c. E2 reaction mechanism |
| d. | | d. SN2 reaction mechanism.
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| 13. | Hydrocarbons, on incomplete combustion, produce a poisonous gas and steam. which hydrocarbon requires 4 moles of oxygen for its combustion? |
| a. | | C3H8 |
| b. | | C4H8 |
| c. | | C6H12 |
| d. | | C6H14
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| 14. | What is the chemical name of Urea ? |
| a. | | carbazide |
| b. | | carbamide |
| c. | | carbazone |
| d. | | oxime
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| 15. | +I effect is shown by
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| a. | | N02 |
| b. | | Cl |
| c. | | Br |
| d. | | CH3
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| 16. | 0.023 g of sodium metal is reacted with 100 cm3 of water. The pH of the resulting solution is ______. |
| a. | | 11 |
| b. | | 10 |
| c. | | 12 |
| d. | | 9
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| 17. | Which of the following does not give benzoic acid on hydrolysis? |
| a. | | phenyl cyanide |
| b. | | benzoyl chloride |
| c. | | benzyl chloride |
| d. | | methyl benzoate
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| 18. | Among the following, which is least acidic? |
| a. | | phenol |
| b. | | O-cresol |
| c. | | p-nitrophenol |
| d. | | p-chlorophenol
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| 19. | An organic compound on heating with CuO produces CO2 but no water. The organic compound may be |
| a. | | Methane |
| b. | | Ethyl iodide |
| c. | | Carbon tetrachloride |
| d. | | Chloroform
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| 20. | Anisole can be prepared by the action of methyl iodide on sodium phenate. The reaction is called |
| a. | | Wurtz's reaction |
| b. | | Williamson's reaction |
| c. | | Fittig's reaction |
| d. | | Etard's reaction
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| 21. | Arrange the following in the increasing order of their basic strengths :CH3NH2, (CH3)2NH, (CH3)3N, NH3 |
| a. | | (CH3)3N < NH3 < CH3NH2 < (CH3)2 NH |
| b. | | CH3NH2 < (CH3)2NH < (CH3)3N < NH3 |
| c. | | NH3 < (CH3)3N < (CH3)2NH < CH3NH2 |
| d. | | NH3 < (CH3)3N < CH3NH2 < (CH3)2NH
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| 22. | Chloroacetic acid is a stronger acid than acetic acid. This can be explained using ______.
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| a. | | I effect |
| b. | | M effect |
| c. | | +I effect |
| d. | | + M effect
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| 23. | ethoxy benzene is also known as |
| a. | | Phenetol |
| b. | | Anisole |
| c. | | Chloro Benzene |
| d. | | Methoxy Benzene
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| 24. | what is tke molecular formula of nikotin ? |
| a. | | c10h14n2 |
| b. | | c11h15n2 |
| c. | | c10h14n |
| d. | | c9h15n2
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