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

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?

What is the action of Sodium bisulphite on propanone?

Write only reactions for the preparation of benzophenone from benzonitrile.

How will you convert calcium acetate to acetaldehyde?

What is the action of following reagents on glucose?
1. Bromine water
2. Hydroxylamine