Define: diazotization and coupling
[3 marks]What will happen if we fail to maintain temperature of reaction in the range of 0-4 0C during dye synthesis?
[4 marks]Give the various applications of synthetic colorants?
[7 marks]Give the synthesis of methyl orange with reaction mechanism?
[7 marks]Write a short note on: Mordant Azo Dyes
[3 marks]Give the properties of: 1. Aniline yellow 2. Methyl Red
[4 marks]What do you mean by chromogens?
[3 marks]Classify reactive dyes on the basis of its functionality?
[4 marks]Discuss reactive dyes with vinyl sulphone reactive system?
[7 marks]Explain the steps of reactive dyeing
[3 marks]What do you mean by fixation?
[4 marks]Explain Hot Brand and Cold Brand Reactive Dyes?
[7 marks]What is difference between solution & dispersion?
[3 marks]What are AQ azo dyes? Explain with example?
[4 marks]Elaborate synthesis and applications of disperse dyes?
[7 marks]What is neutral fixing?
[3 marks]Explain anthraquinone dyes with its applications?
[4 marks]Discuss anthraquinone disperses dyes with reference to heterocyclic diazo & coupling components
[7 marks]What is the practical significance of bathochromic shift?
[3 marks]Explain the application of CPC Blue pigments?
[4 marks]With properties, applications and method of synthesis, explain Pthalocyanine Pigments?
[7 marks]Most of the market is occupied with azo pigments. Justify
[3 marks]i) Basic Yellow 21 ii) Basic Orange 21
[4 marks]With properties, applications and method of synthesis, explain Prussian Blue pigments?1
[7 marks]