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Which of the following statement(s) is (are) correct when a mixture of NaCI and K base 2Cr base 2O base 7 is gently warmed with conc H base 2SO base 4? a. A deep red vapour is evolved b. The vapours when passed into NaOH solution gives a yellow solution of Na base 2CrO base 4 c. Chlorine gas is evolved d. Chromyl chloride is formed

Which of the following statement(s) is (are) correct when a mixture of NaCI and K base 2Cr base 2O base 7 is gently warmed with conc H base 2SO base 4?
a. A deep red vapour is evolved
b. The vapours when passed into NaOH solution gives a yellow solution of Na base 2CrO base 4
c. Chlorine gas is evolved
d. Chromyl chloride is formed

Grade:12th pass

1 Answers

bharat bajaj IIT Delhi
askIITians Faculty 122 Points
6 years ago
K2Cr2O7 + 4NaCl + 6H2SO4 ? 2CrO2Cl2 + 2KHSO4 + 4NaHSO4 +3H2O
Chromyl chloride is formed
Hence D) is the answer
THanks
Bharat Bajaj
askiitians faculty

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