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

Isopropylbenzene on air oxidation followed by decomposition by dilute acid gives ______.

Write preparation of phenol from aniline.

Convert the following:

Ethyl alcohol into ethyl acetate.

Write Dow process for the preparation of Phenol.

Explain metamerism with suitable examples of ethers

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?

Ethylidene dichloride when boiled with aqueous solution of NaOH yields _______.

(A) formaldehyde

(B) acetaldehyde

(C) acetone

(D) ethyl methyl ketone

How is nitroethane converted into ethylamine.

Natalite is a mixture of

(a) diethyl ether and methanol

(b) diethyl ether and ethanol

(c) dimethyl ether and methanol

(d) dimethyl ether and ethanol

Which of the following compounds is NOT prepared by the action of alcoholic NI₃ on alkyl halide?

(a) CH₃NH₂

(b) CH₃- CH₂- NH₂

(c) CH₃ - CH₂ - CH₂ - NH₂

(d) (CH₃)₃ C- NH₂

Write the structure and IUPAC name of 'methyl-n-propyl ether'.

What is the action of hot HI on it?

3-Methylbutane-2-ol on heating with HI gives ______

How is phenol converted into the following?

picric acid

How is Methoxyethane prepared from : Diazomethane

How is nitroethane converted into N-ethylhydroxylamine

How is nitroethane converted into acetic acid

What are ethers?