ORGANIC WORD PROBLEMS

August 5, 2018 4

ORGANIC WORD PROBLEMS Q.1. An unknown aldehyde (A] on reacting with alkali gives β-hydroxyaldehyde which loses water to form an unsaturated aldehyde but-2-enal. Another aldehyde (B]…

CONVERT

January 7, 2018 72

Convert the following with minimum possible steps:-  1) Propene to 1-Propanol, 2) Phenol to Salicylic acid, 3) Acetophenone to 2-phenyl-2-butanol, 4) Propene to acetone, 5) Methyl bromide to ethylamine, 6) Aniline…

CHEMISTRY IN EVERYDAY LIFE

November 22, 2017 8

CHEMISTRY IN EVERYDAY LIFE Define with example:-  1.Tranquilizers 2. Analgesics 3. Antibiotics 4. Antiseptic 5. Disinfectant 6. Food-preservative 7. Saponification 8. Drugs 9. Medicine 10.…

POLYMERS

November 18, 2017 5

POLYMERS 1.Define with example: (i)         Polymerisation (ii)        Co- polymerization (iii)       Biodegradable polymer (iv)       Cross-linked Polymer 2.What are           a) natural polymers…

REPRESENTATIVE ELEMENTS

November 13, 2017 42

QUESTION BANK – REPRESENTATIVE ELEMENTS Group -13 1) Describe the following in relation to group 13 elements (boron family) : (i) Similarity between B and Si.…