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Chromyl Chloride Formation Quiz

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Questions and Answers

Perchromic acid forms a deep blue color in the etherial layer upon addition of H2O2 and shaking

True (A)

The color of perchromic acid is stable for a long time in the cold and is not decomposed upon heating

False (B)

Excess acid and peroxide facilitate the decomposition of perchromic acid to the green chromium ion

True (A)

Lead acetate test results in the formation of a yellow precipitate of PbCrO4

True (A) Signup and view all the answers

The bromide Eosin test involves the conversion of yellow dye fluorescein to red eosin by the addition of sodium hypochlorite and acetic acid

True (A) Signup and view all the answers

What happens when ether and a little H2O2 are added to H2SO4?

Formation of a deep blue color in the etherial layer (D) Signup and view all the answers

What is the result of the lead acetate test on perchromic acid?

Formation of a yellow precipitate of PbCrO4 (D) Signup and view all the answers

What is the effect of excess acid and peroxide on perchromic acid?

Facilitate the decomposition to the green chromium ion (D) Signup and view all the answers

What is the outcome of the bromide Eosin test?

Conversion of yellow dye fluorescein to red eosin (D) Signup and view all the answers

What happens upon heating the deep blue color in the etherial layer?

Decomposition to the green chromium ion (D) Signup and view all the answers

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 (A) Signup and view all the answers

What happens when excess acid and peroxide are added to perchromic acid?

Decomposition to form a green chromium ion (C) Signup and view all the answers

What is the outcome of the lead acetate test on perchromic acid?

Formation of a yellow precipitate of PbCrO4 (A) Signup and view all the answers

What happens to the color of perchromic acid upon heating?