Q: 8. Give the reaction in which nitrene is formed/
Sol. Nitrene is supposed to be formed in Hoffmann hypobromite reaction
Q: 9. Explain the mechanism of HOFFMAN BROMAMIDE REACTION?
Sol: The details mechanism of Hoffman bromamide reaction is as follow.
A method for preparation of primary amines by treating an amide with-bromine in an aqueous or ethanolic Solution of sodium hydroxide
The amine so formed contains one carbon less than that present in the amide
Q: 10. What is the rate-determining step of it?
Sol. Migration of alkyl group from carbon terminus to N terminus is the rate-determining step.
Q: 11. Give the name of the product that is formed when propene reacts with methyl carbine?
Sol. Methylcyclopropane is expected to be major product
Q: 12. Give one example of condensation polymer?
Sol. Nylon: 6, 6 is example of condensation polymer it is formed by condensation of adipic and with hexamethylenediamine.
Q: 13. Draw the resonating structures of diazomethane?
Q: 14. What is the product formed when di chloro carbine gets added up to pyrroles?
Sol. Pyrrole with dichloro carbene
Q: 15. Write a reaction in which a new carbon carbon bond is formed.
Sol. Wurtz Reaction
For KVPY Solved past papers visit Doorsteptutor.com