Ncert Solutions Chemistry Class 12th

In the following reaction sequence, [C] is:

The processes of calcination and roasting in metallurgical industries, respectively, can lead to:

Match the following:

The IUPAC name of the following compound is:

An organic compound (A) (molecular formula C6H12O2 ) was hydrolysed with dil. H2SO4 to give a carboxylic acid (B) and an alcohol (C). ' C ' gives white turbidity immediately when treated with anhydrous ZnCl2 and conc. HCl. The organic compound (A) is:

The intermolecular potential energy for the molecules A, B, C and D given below suggest that:

[P] on treatment with Br2/FeBr3 in CCl4 produced a single isomer C8H7O2Br while heating [P] with sodalime gave toluene. The compound [P] is:

The decreasing order of reactivity of the following organic molecules towards AgNO3 solution is:
(A) Cl
(B) Cl OMe
(C) CH3CHCH3 Cl
(D) CH3CHCH2NO2 Cl

Among statements (a) - (d), the correct ones are:

(a) Lime stone is decomposed to  during the extraction of iron from its oxides.

(b) In the extraction of silver, silver is extracted as an anionic complex.

(c) Nickel is purified by Mond's process.

(d) Zr and Ti are purified by Van Arkel method.