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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

Amanat , 11 Years ago
Grade 12th pass
anser 1 Answers
bharat bajaj
K2Cr2O7 + 4NaCl + 6H2SO4 ? 2CrO2Cl2 + 2KHSO4 + 4NaHSO4 +3H2O
Chromyl chloride is formed
Hence D) is the answer
THanks
Bharat Bajaj
askiitians faculty
Last Activity: 11 Years ago
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