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11. Arrange the following in increasing order of their basic strength:
C₂H₅NH_2, C₆H₅NH₂, NH₃, C₆H₅CH₂NH₂ and (C₂H₅)₂NH

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12. Arrange the following in increasing order of their basic strength:
C₂H₅NH₂, (C₂H₅)₂NH, (C₂H₅)₃N, C₆H₅NH₂

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13. Arrange the following in increasing order of their basic strength:
CH₃NH₂, (CH₃)₂NH, (CH₃)₃N, C₆H₅NH₂, C₆H₅ CH₂NH₂

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14. Complete the following acid base reactions and name the products:
CH₃CH₂CH₂NH₂ + HCl →

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15. Complete the following acid base reactions and name the products:
(C₂H₅)₃N + HCl →

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16. Write reactions of the final alkylation product of aniline with excess of methyl iodide in the presence of sodium carbonate solution.

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17. Write chemical reaction of aniline with benzoyl chloride and write name of the product obtained.

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(a) CH₃-CH₂-CH₂-NH₂
Propan-1-amine (pri)

b) Propan -2-amine (pri)

(d) N,N-Dimethyl methanamine (tert)

primary amine, (a) Propan-1-amine, and (b) Propan-2-amine will liberate nitrogen gas on treatment with nitrous acid.

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19.

Convert 3-Methylaniline into 3-Nitrotoluene .

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20. Convert Aniline into 1, 3, 5-tribromobenzene.

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