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Chemistry
Which of the following compounds is formed when a mixture of K2Cr2O7 and NaCl is heated with conc. H2SO4 ?
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Q. Which of the following compounds is formed when a mixture of $K_2Cr_2O_7$ and $NaCl$ is heated with conc. $H_2SO_4$ ?
VITEEE
VITEEE 2018
A
$CrO_2Cl_2$
B
$CrCl_3$
C
$Cr_2(SO_4)_3$
D
$Na_2CrO_4$
Solution:
$K2Cr2O7 + 4NaCl + 6H2SO4 \xrightarrow {\text{Heat}} 2CrO2Cl2 + 6NaHSO4 + 3H2O $