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

How are the following compounds prepared?

benzaldehyde from benzoyl chloride

Write balanced chemical equations for action of ammonia on - acetaldehyde

Write balanced chemical equations for action of ammonia on - acetone

What is the action of the following reagents on ethanoic acid?

1) `LiAlH_4"/"H_3O^+`

2) `PCl_3 , "heat"`

3) `P_2O_5, "heat"`

Write the structure of Phenylmethanamine.

What are amines?

How will you convert acetone to acetone cyanohydrin?

How will you convert benzoic acid to m-bromobenzoic acid?

Write the name of product formed, when acetone is treated with 2, 4-dinitrophenyl hydrazine.

What is the action of sodium hypoiodite on acetone?

Write chemical reactions for the following conversions:

Ethyl bromide to ethyl methyl ether.

The product of following reaction is

\[\ce{CH3 - CH = CH - CH2 - CHO ->[i) LiAlH4][ii) H3O+]}\] ______?

The product of the following reaction is

\[\begin{array}{cc}
\ce{O}\phantom{.........}\\
||\phantom{.........}\\
\ce{C2H5 - C - CH3 ->[H2/Ni][\Delta] \phantom{..}?}\end{array}\]

Write the chemical reaction involved in Cannizzaro reaction of methanal.

How is 1-nitropropane prepared from suitable oxime?

How are  2 - nitropropane prepared from suitable oxime?

Explain the mechanism of esterification

Identify the strongest acid amongst the followings:

1. Chloroacetic acid          
2. Acetic acid
3. Trichloroacetic acid
4. Dichloroaceticacid

Explain, why are boiling points of carboxylic acids higher than corresponding alcohols

Write the structures and IUPAC names of the :Adipic acid compound