1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Starch, commercial bleach and halides

  1. Jan 4, 2009 #1
    1. If i were asked to write the equation for starch, bleach and halides, how am i suppose to do it?

    2. starch, commercial bleach (NaOCl), halides (KI, KBr, NaCl, NaF)

    3. My attempt at this equation: starch + NaOCl + KI --> Kstarch + NaOCl + I2
  2. jcsd
  3. Jan 4, 2009 #2
    if i'm not wrong, you should consider the typical test for starch, with iodine forming a blue black complex with the starch.

    the halides are reducing agents. and the bleach is an oxidising agent.
  4. Jan 5, 2009 #3
    thanks. appreciated.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook