IIT JEE Questions And Answers :: Chemistry Of Non Metals: part2



IIT JEE : Chemistry Of Non Metals QUESTIONS AND ANSWERS :: part2 : 21 to 25

Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2014 examinations :

21.The main impurities present in commercial iodine are ICl, IBr, ICN etc. Which of the following reagent is generally used for its purification.

Sodium thiosulphate
Potassium bisulphate
Potassium iodide
Potassium iodate.

22.Which of the following statement s correct?

Copper (I) metaborate is colourless
Copper (II) metaborate is colourless
Copper (II) metaborate is light green
Copper (I) metaborate is dark green.

23.When iron (III) compounds are added to glass mix, which colour is imparted to it

Brown
Blue
Green
Pink.

24.Which out of potassium ion, fluoride ion and ammonia molecule can form co-ordinate bond with boron trifluoride?

Only ammonia
Ammonia and fluoride ion
All the three
Only fluoride ion.

More Chemistry Of Non Metals QUESTIONS AND ANSWERS available in next pages

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