A) Chromium sulphate
B) Potassium chromate
C) Perchromic acid
D) Chromium trioxide
Correct Answer: C
Solution :
\[{{K}_{2}}C{{r}_{2}}{{O}_{7}}+{{H}_{2}}S{{O}_{4}}+4{{H}_{2}}{{O}_{2}}\xrightarrow{{}}{{K}_{2}}S{{O}_{4}}+2Cr{{O}_{5}}+5{{H}_{2}}O\]\[Cr{{O}_{5}}\] is peroxide of \[Cr\] which dissolves in ether producing blue colour.You need to login to perform this action.
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