Redox Reactions And Electrochemistry Ques 540
Question: Starch paper is used to test for the presence of [NCERT 1979]
Options:
A) Iodine
B) Oxidising agent
C) Iodide ion
D) Reducing agent
Show Answer
Answer:
Correct Answer: A
Solution:
Starch paper are used for iodine test as: $ {{I}^{-}}+\text{oxidant }\xrightarrow{{}}I_2 $ $ I_2+starch\xrightarrow{{}}\text{blue colour} $