Statement 1: Potassium dichromates gives deep red vapour with concentrated H2SO4 and sodium chloride.Statement 2: The reaction of sodium chloride with solid K2Cr2O7 and concentrated H2SO4 produces chromyl chloride.
see full answer
Your Exam Success, Personally Taken Care Of
1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
Both statements 1 and 2 are correct
b
Statement 1 is correct statement 2 is incorrect
c
Statement 1 is incorrect statement 2 is correct
d
Both statements 1 and 2 are incorrect
answer is A.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
K2Cr2O7+2H2SO4→2KHSO4+2CrO3+H2ONaCl+H2SO4→NaHSO4+HCl×4CrO3+2HCl→CrO2Cl2+H2O×2K2Cr2O7+6H2SO4+4NaCl→2KHSO4+4NaHSO4+2CrO2Cl2+3H2OCrO2Cl2 (Chromyl chloride) is liberated as deep red vapour.