Question
Chemistry Question on p -Block Elements
Which of the following is extracted from sea weeds ?
A
Quinine
B
Astatine
C
Iodine
D
Germanium
Answer
Iodine
Explanation
Solution
Sea weeds, caliche or crude chile salt petre are some important sources of iodine. Sea weeds of laminaria variety are generally used to extract iodine as their ash, called kelp, contains 0.4−1.3% iodine as iodides