Which test is used to detect the presence of starch using iodine solution?
A
Benedict's test
B
Biuret test
C
Iodine test
D
Flame test
Correct Answer: Option C — Iodine test
Explanation:
The iodine test detects starch by turning iodine solution from yellow-brown to blue-black in the presence of starch due to the triiodide ion...
The iodine test detects starch by turning iodine solution from yellow-brown to blue-black in the presence of starch due to the triiodide ion fitting within the starch helix.