The reaction of K_2Cr_2O_7 with NaCl and conc | vedclass

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Question

(C) The reaction between potassium dichromate $(K_2Cr_2O_7)$,sodium chloride $(NaCl)$,and concentrated sulfuric acid $(H_2SO_4)$ is known as the chrom

Vedclass · Accepted Answer

$CrO_2Cl_2$

Vedclass · Answer

(C) The reaction between potassium dichromate $(K_2Cr_2O_7)$,sodium chloride $(NaCl)$,and concentrated sulfuric acid $(H_2SO_4)$ is known as the chromyl chloride test. The balanced chemical equation is: $K_2Cr_2O_7 + 4NaCl + 6H_2SO_4 	o 2CrO_2Cl_2 + 2KHSO_4 + 4NaHSO_4 + 3H_2O$. The product $CrO_2Cl_2$ is known as chromyl chloride,which is a deep red vapor.

The reaction of $K_2Cr_2O_7$ with $NaCl$ and conc. $H_2SO_4$ gives

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