300 Level Chemistry Department exam questions and detailed answers. Download the answers in document format. Correct, detailed, and straightforward answers.
Questions:
(a)
I. What are dyes and how are they classified?
ii. Dyes are coloured, Account for this observation and state the features of compounds usually employed in dyeing.
iii. Identify two dyes commonly used as an indicator in titrimetric analysis and show their synthetic route.
(b) Describe the following with specific examples:
(i) Fastness
(ii) Auxochrome
(iii) Chromophore.
