Explain the following terms with one suitable example in each case. (i) Cationic detregents (ii) Enzymes (iii) Antifertility drugs

Explain the following terms with one suitable example in each case. (i

1.	Explain the following terms with one suitable example in each case. (i) Cationic detregents (ii) Enzymes (iii) Antifertility drugs
Answer» (i) Cationic detergents : Cationic detergents are quarternary ammonium salts of amines with acetates, chlorides, or bromides as anions. Example : Cetyltrimethyl ammonium bromide. (ii) Enzymes : Enzymes are the biological catalysts which increase the rate of metabolism. Example : Zymase (iii) Antifertility drugs : Drugs which are used to control birth rate. Example : Norethindrone,Novestrol.

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(i) Arrange the following compounds in an increasing order of basic strength : `C_(6)H_(5)NH_(2), C_(6)H_(5)N(CN_(3))_(2), (C_(2)H_(5))_(2)NH and CH_(3)NH_(2)` (ii) Arrange the following compounds in a decreasing order of `pK_(b)` values: `C_(2)H_(5)NH_(2), C_(6)H_(5)NHCH_(3), (C_(2)H_(5))_(2) NH and C_(6)H_(5)NH_(2)`
Rerrange the following in an increasing order of their basic strengths: `C_(6)H_(5)NH_(2),C_(6)H_(5)N(CH_(3))_(2),(C_(6)H_(5))_(2)` NH and `CH_(3)NH_(2)`.
(b) Estimate the minimum potential difference needed to reduce `AI_(2)O_(3)` at `500^(@)C` The gibbs energy change for the decomposition reaction `2/3AI_(2)O_(3)rarr4/3AI+O_(2)`is 960 kJ (F=96500 C `mol^(-1))`

Explain the following terms with one suitable example in each case. (i) Cationic detregents (ii) Enzymes (iii) Antifertility drugs

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