Qualitative analysis
- 1. STUDYDUNIYA The Educational Social Network C H E M I S T R Y - I N O R G A N I C - Q U A L I T A T I V E A N A L Y S I S IIT JEE @studyduniya +91 7744994714 TEST FOR NITRITE ION (a)?On treating a solid nitrite with dil. H SO? ? ? ? ? and warming , reddish brown?fumes of NO? ? ? gas are evolved. 2 4 2
- 2. STUDYDUNIYA The Educational Social Network C H E M I S T R Y - I N O R G A N I C - Q U A L I T A T I V E A N A L Y S I S IIT JEE @studyduniya +91 7744994714 TEST FOR NITRITE ION Addition of potassium iodide solution to?the salt solution followed by freshly prepared starch solution and?acidification with acetic acid produces blue colour. (b)
- 3. STUDYDUNIYA The Educational Social Network C H E M I S T R Y - I N O R G A N I C - Q U A L I T A T I V E A N A L Y S I S IIT JEE @studyduniya +91 7744994714 TEST FOR NITRITE ION On adding sulphanilic acid & 1-naphthylamine? reagent to the water?extract or acidified with acetic acid, a red azo-dye is?formed.? (c)
- 4. STUDYDUNIYA The Educational Social Network C H E M I S T R Y - I N O R G A N I C - Q U A L I T A T I V E A N A L Y S I S IIT JEE @studyduniya +91 7744994714 TEST FOR NITRITE ION
- 5. STUDYDUNIYA The Educational Social Network C H E M I S T R Y - I N O R G A N I C - Q U A L I T A T I V E A N A L Y S I S IIT JEE @studyduniya +91 7744994714 TEST FOR SULPHIDE ION With warm dilute H SO? ?a sulphide gives hydrogen sulphide gas which?smells like rotten eggs. (a) 2 4
- 6. STUDYDUNIYA The Educational Social Network C H E M I S T R Y - I N O R G A N I C - Q U A L I T A T I V E A N A L Y S I S IIT JEE @studyduniya +91 7744994714 TEST FOR SULPHIDE ION A piece of filter paper dipped in lead acetate solution turns black on exposure to the gas due to the formation of?lead sulphide which is black in colour. (b)
- 7. STUDYDUNIYA The Educational Social Network C H E M I S T R Y - I N O R G A N I C - Q U A L I T A T I V E A N A L Y S I S IIT JEE @studyduniya +91 7744994714 TEST FOR SULPHIDE ION Solution of saltin water/sodium carbonate extract, make it?alkaline with ammonium hydroxide and add sodium nitroprusside solution. ?Purple or violet colour is obtained. (c)
- 8. STUDYDUNIYA The Educational Social Network C H E M I S T R Y - I N O R G A N I C - Q U A L I T A T I V E A N A L Y S I S IIT JEE @studyduniya +91 7744994714 TEST OF SULPHATE ION On addition of barium chloride to the Aqueous solution or sodium carbonate extract of the salt acidified with?acetic acid?gives a white precipitate (a)
- 9. STUDYDUNIYA The Educational Social Network C H E M I S T R Y - I N O R G A N I C - Q U A L I T A T I V E A N A L Y S I S IIT JEE @studyduniya +91 7744994714 TEST OF SULPHATE ION Sulphate ions give white precipitate of lead sulphate when aqueous?solution or sodium carbonate extract neutralised with acetic acid is?treated with lead acetate solution. (b)
- 10. STUDYDUNIYA The Educational Social Network C H E M I S T R Y - I N O R G A N I C - Q U A L I T A T I V E A N A L Y S I S IIT JEE @studyduniya +91 7744994714 TEST FOR CHLORIDE ION On treatment with warm conc. H ?SO ? the salt gives a colourless gas with pungent smell and the gas gives dense white fumes with ammonia solution,? (a) 2 4
- 11. STUDYDUNIYA The Educational Social Network C H E M I S T R Y - I N O R G A N I C - Q U A L I T A T I V E A N A L Y S I S IIT JEE @studyduniya +91 7744994714 TEST FOR CHLORIDE ION Salt gives effervescence on heating with conc. H? SO? ?and MnO? ?and?a light greenish yellow pungent gas is evolved. (b) 2 4 2
- 12. STUDYDUNIYA The Educational Social Network C H E M I S T R Y - I N O R G A N I C - Q U A L I T A T I V E A N A L Y S I S IIT JEE @studyduniya +91 7744994714 TEST FOR CHLORIDE ION On addition of silver nitrate?solution to a Salt solution acidified with dilute HNO???gives a curdy white precipitate soluble in ammonium hydroxide?solution.? (c) 3
- 13. STUDYDUNIYA The Educational Social Network C H E M I S T R Y - I N O R G A N I C - Q U A L I T A T I V E A N A L Y S I S IIT JEE @studyduniya +91 7744994714 TEST FOR CHLORIDE ION Chromyl chloride test(d)
- 14. STUDYDUNIYA The Educational Social Network C H E M I S T R Y - I N O R G A N I C - Q U A L I T A T I V E A N A L Y S I S IIT JEE @studyduniya +91 7744994714 TEST FOR BROMIDE ION On heating the salt with conc. H? SO? reddish brown fumes of bromine are? evolved. The fumes get intensified?on addition of MnO? .? (a) 2 4 2
- 15. STUDYDUNIYA The Educational Social Network C H E M I S T R Y - I N O R G A N I C - Q U A L I T A T I V E A N A L Y S I S IIT JEE @studyduniya +91 7744994714 TEST FOR BROMIDE ION ?The appearance of an orange brown colouration in the?organic layer on addition of chloroform & freshly prepared Cl? ?water dropwise to the salt solution (b) 2
- 16. STUDYDUNIYA The Educational Social Network C H E M I S T R Y - I N O R G A N I C - Q U A L I T A T I V E A N A L Y S I S IIT JEE @studyduniya +91 7744994714 TEST FOR BROMIDE ION A pale yellow?precipitate is obtained upon addition of silver nitrate (AgNO? ) solution to the acidified (dil. HNO? ) sodium carbonate extract of the salt.? (c) 3 3
- 17. STUDYDUNIYA The Educational Social Network C H E M I S T R Y - I N O R G A N I C - Q U A L I T A T I V E A N A L Y S I S IIT JEE @studyduniya +91 7744994714 TEST FOR IODIDE ION Deep violet vapours with a?pungent smell are evolved,?on heating the salt with conc. H? SO? . These turns starch paper blue and a violet?sublimate is formed on the sides of the test tube. (a) 2 4
- 18. STUDYDUNIYA The Educational Social Network C H E M I S T R Y - I N O R G A N I C - Q U A L I T A T I V E A N A L Y S I S IIT JEE @studyduniya +91 7744994714 TEST FOR IODIDE ION Violet colouration in the?organic layer is obtained upon addition of CCl? ?and chlorine water in excess to the salt?solution (b) 4
- 19. STUDYDUNIYA The Educational Social Network C H E M I S T R Y - I N O R G A N I C - Q U A L I T A T I V E A N A L Y S I S IIT JEE @studyduniya +91 7744994714 TEST FOR IODIDE ION Appearance of a yellow precipitate insoluble in excess of NH? OH upon addition of AgNO solution to acidified sodium carbonate extract of the salt with dil.HNO (c) 4 3 3
- 20. STUDYDUNIYA The Educational Social Network C H E M I S T R Y - I N O R G A N I C - Q U A L I T A T I V E A N A L Y S I S IIT JEE @studyduniya +91 7744994714 SEPARATION OF CATIONS
- 21. STUDYDUNIYA The Educational Social Network C H E M I S T R Y - I N O R G A N I C - Q U A L I T A T I V E A N A L Y S I S IIT JEE @studyduniya +91 7744994714 SEPARATION OF?CATIONS
- 22. STUDYDUNIYA The Educational Social Network C H E M I S T R Y - I N O R G A N I C - Q U A L I T A T I V E A N A L Y S I S IIT JEE @studyduniya +91 7744994714 GROUP REAGENTS FOR PRECIPITATING IONS
- 23. STUDYDUNIYA The Educational Social Network C H E M I S T R Y - I N O R G A N I C - Q U A L I T A T I V E A N A L Y S I S IIT JEE @studyduniya +91 7744994714 ANALYSIS OF GROUP-I CATIONS Dissolve the precipitate in hot water and divide the hot solution into three parts.
- 24. STUDYDUNIYA The Educational Social Network C H E M I S T R Y - I N O R G A N I C - Q U A L I T A T I V E A N A L Y S I S IIT JEE @studyduniya +91 7744994714 ANALYSIS OF GROUP¨CII CATIONS
- 25. STUDYDUNIYA The Educational Social Network C H E M I S T R Y - I N O R G A N I C - Q U A L I T A T I V E A N A L Y S I S IIT JEE @studyduniya +91 7744994714 ANALYSIS OF GROUP¨CIII CATIONS
- 26. STUDYDUNIYA The Educational Social Network C H E M I S T R Y - I N O R G A N I C - Q U A L I T A T I V E A N A L Y S I S IIT JEE @studyduniya +91 7744994714 ANALYSIS OF GROUP¨CIV?CATIONS
- 27. STUDYDUNIYA The Educational Social Network C H E M I S T R Y - I N O R G A N I C - Q U A L I T A T I V E A N A L Y S I S IIT JEE @studyduniya +91 7744994714 ANALYSIS OF GROUP¨CV?CATIONS