15 Questions
Perchromic acid forms a deep blue color in the etherial layer upon addition of H2O2 and shaking
True
The color of perchromic acid is stable for a long time in the cold and is not decomposed upon heating
False
Excess acid and peroxide facilitate the decomposition of perchromic acid to the green chromium ion
True
Lead acetate test results in the formation of a yellow precipitate of PbCrO4
True
The bromide Eosin test involves the conversion of yellow dye fluorescein to red eosin by the addition of sodium hypochlorite and acetic acid
True
What happens when ether and a little H2O2 are added to H2SO4?
Formation of a deep blue color in the etherial layer
What is the result of the lead acetate test on perchromic acid?
Formation of a yellow precipitate of PbCrO4
What is the effect of excess acid and peroxide on perchromic acid?
Facilitate the decomposition to the green chromium ion
What is the outcome of the bromide Eosin test?
Conversion of yellow dye fluorescein to red eosin
What happens upon heating the deep blue color in the etherial layer?
Decomposition to the green chromium ion
What is the result of adding ether and a little H2O2 to H2SO4, followed by shaking?
Formation of a deep blue color in the etherial layer
What happens when excess acid and peroxide are added to perchromic acid?
Decomposition to form a green chromium ion
What is the outcome of the lead acetate test on perchromic acid?
Formation of a yellow precipitate of PbCrO4
What happens to the color of perchromic acid upon heating?
Decomposition to form a green chromium ion
What is the effect of the bromide Eosin test?
Conversion of yellow dye fluorescein to red eosin
Test your knowledge of the process of forming chromyl chloride using boron fluoride gas and potassium dichromate. This quiz covers the procedure and mechanism involved in the chemical reaction.
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