HSC Science (General) १२ वीं कक्षा - Maharashtra State Board Important Questions

How is Methoxyethane prepared from : Methyl iodide

Carbon atom in methyl carbocation contains how many pairs of electrons?

(a) 8

(b) 4

(c) 3

(d) 5

How is diethyl ether prepared by continuous etherification process?

How is nitroethane converted into ethylamine.

How is Methoxyethane prepared from : Diazomethane

How is nitroethane converted into N-ethylhydroxylamine

How is nitroethane converted into acetic acid

What are ethers?

How are ethers classified?

Write chemical reactions of following reagents on methoxyethane:

PCl₅

Write chemical reactions for the following conversions:

Ethyl bromide to ethene.

Convert the following :

anisole to phenol.

On acid hydrolysis, propane nitrile gives.

How is carbolic acid prepared from chlorobenzene?

Identify ‘A' and ‘B’ in the following reaction :

C₆H₅MgBr + C0₂ `(`> ‘A’   `(PCl_5)/()`> ‘B’

Show how the following compound can be converted to benzoic acid.

Phenylethene (Styrene)

Write a note on ‘aldol condensation’.

What is the action of phenyl hydrazine on propanone?

How is methoxy benzene prepared from carbolic acid?

What is the action of Zn – Hg / conc. HCl on propanone?