Qualitative Inorganic Analysis QUESTIONS AND ANSWERS

IIT JEE : Qualitative Inorganic Analysis QUESTIONS AND ANSWERS :: part1 : 6 to 10

Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :

6.Which sodium thiosulphate solution is shaken with iodine, thiosulphate is changed to

Sulphite ion

Sulphate ion

Tetrathionate ion

Sulphide ion.

7.Certain inorganic salt, when introduced in flame produces crimson red colour. It indicates the presence of

Dichromate ion

Thiosulphate ion

Strontium ion

Calcium ion.

8.Sodium sulphide react with sodium nitroprusside to form a purple colured compund. During the reaction, the oxidation state of iron

Changes from + 2 to + 3

Changes from + 3 to + 2

Changes from + 2 to + 4

Remains unchanged.

9.The metal whose salts do not give the borax bead test is

Mn.

10.Which of the following is soluble in yellow ammonium sulphide ?

CuS

CdS

SnS

PbS.

More Qualitative Inorganic Analysis QUESTIONS AND ANSWERS available in next pages

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