Chromium Cr (VI) is toxic and carcinogenic

Q.  Which of the following type of chromium is toxic?
- Published on 18 Aug 16

a. Chromium III
b. Chromium VI
c. Chromium IV
d. Chromium VII

ANSWER: Chromium VI
 
  • Chromium in the environment primarily exists as Trivalent Chromium Cr (III) and Hexavalent Chromium Cr (VI).
  • Chromium Cr (VI) is toxic and the World Health Organization has classified it as carcinogenic and can cause stomach ulcers and cancers and severe damage to kidneys and liver.

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