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

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

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

How is nitromethane prepared from the following?

α-halogen carboxylic acid

Complete and rewrite the balanced chemical equations

Complete and rewrite the balanced chemical equations

Butanone + 2, 4-dinitro-phenylhydrazine 

Write chemical equation for the following :
Hell - Vohlard - Zelinsky reaction

Write chemical equation for the following :
Fischer esterificatione

Write balanced equation for the following conversion: 
a. Cyclopropane carboxylic acid to cyclopropylmethanol.
b. Acetyl chloride to benzyl methyl ketone using dialkyl cadmium. 

Identify A and B from the following reaction and rewrite complete reaction: 

Acid anhydride on reaction with primary amine gives compound having a functional group ______.

How is ethyl amine prepared from methyl iodide?

Which among the following molecular formulae represents urotropine?

(a) C₆H₁₂N₄

(b) C₆H₂₄H₄                    

(c) C₆H₁₂N₄O₂

(d) C₆H₂4N₄O₂

How are propan-1-amine and propan-2-amine prepared from oxime?

Identify the compounds 'A' and 'B' in the following equation:

Identify the weakest base amongst the following :

(a) p- methoxyaniline

(b) o-toluidine

(c) benzene - 1, 4 - diamine

(d) 4 - aminobenzoic acid

In the following 

The compound ‘B’ is _______.
(A) Propan–1–amine

(B) Propan–2–amine

(C) Isopropylamine

(D) Dimethylamine

Explain the mechanism of action of hydroiodic acid on 3-methylbutan-2-ol.

Mention 'two' uses of propan-2-one.

What is the action of p-toluenesulphonychloride on ethylamine and diethylamine?

How are ethylamine and ethyl methyl amine distinguished by using nitrous acid?