How does sucrose and lactose react to Bial\'s test?
How does sucrose and lactose react to Bial\'s test?
Solution
Bial\'s test is a chemical test for the presence of pentoses.The components include orcinal,hydrochloric acid and ferric chloride.
ACTION OF BIAL\'S TEST ON LACTOSE-
The solution had no change and stayed a yellow colour, which indicates sugar lactose is a pyranose sugar.
ACTION OF BIAL\'S TEST ON SUCROSE-
The solution changed to an olive green colour, which indicate that the sugar sucrose is a pentose furanose sugar.
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How does sucrose and lactose react to Bial-'s test- How does sucrose.docx
1. How does sucrose and lactose react to Bial's test?
How does sucrose and lactose react to Bial's test?
Solution
Bial's test is a chemical test for the presence of pentoses.The components include
orcinal,hydrochloric acid and ferric chloride.
ACTION OF BIAL'S TEST ON LACTOSE-
The solution had no change and stayed a yellow colour, which indicates sugar lactose is a
pyranose sugar.
ACTION OF BIAL'S TEST ON SUCROSE-
The solution changed to an olive green colour, which indicate that the sugar sucrose is a pentose
furanose sugar.
