HSC Science (Electronics) इयत्ता १२ वी - Maharashtra State Board Important Questions

Explain Hoffmann’s exhaustive alkylation with suitable reactions.

Write the factors influencing the basicity of amines.

Write the name of the product formed by the action of LiAlH₄/ether on acetamide.

Write the IUPAC name of methylphenylamine.

Write the structure of methylphenylamine.

Write the name of reduction product formed when ethyl cyanide is treated with sodium and alcohol.

How is chlorobenzene prepared from aniline?

How are 1 - nitropropane, 2-nitropropane and 2-methyl 2- nitropropane are distinguished from each other using nitrous acid?

Which of the following amines yields foul smelling product with holoform and alcoholic KOH?

(a)    Ethyl amine                   

(b)   Diethyl amine

(c)    Triethyi amine               

(d)  Ethyl methyl amine

Primary and secondary nitroalcanes containing α - H atom show property of -

1. chain isomerism
2. tautomerism
3. optical isomerism
4. geometrical isomerism

How is ethyl amine prepared from methyl iodide?

The amine which reacts with nitrous acid to give yellow oily compound is _______.

(A) ethylamine

(B) isopropylamine

(C) secondary butylamine

(D) dimethylamine

What is the action of acetic anhydride on ethylamine?

What is the action of nitrous acid on primary nitroalkane?

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?

What is the action of the following reagents on aniline?

Bromine water

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

When primary amine reacts with CHCl3 in alcoholic KOH, the product is _______.

(A) aldehyde

(B) alcohol

(C) cyanide

(D) an isocyanide