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JEE Main 202329 JanuaryEvening Shift
Exam
JEE Main
Year
2023
Date
29 January
Shift
Evening Shift
Subject
Chemistry
Chapter
d and f Block Elements

JEE Main 2023 · 29 January · Evening Shift · Chemistry · d and f Block Elements

A solution of CrO _ 5 in amyl alcohol has a....colour

A solution of CrO5{CrO}_{5} in amyl alcohol has a....colour

Options

  1. AGreen
  2. BOrange-Red
  3. CYellow
  4. DBlue

Correct answer

D. Blue

Step-by-step solution

Chromium peroxide (CrO5)\left({CrO}_{5}\right) is a very unstable deep blue compound. It is soluble in water, but rapidly breaks down, and soluble as well as stable in solvents such as diethyl ether, ethyl acetate, amyl alcohol and its esters.
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