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1)

Which of the following compounds is formed . when a mixture of K₂Cr₂O₇ and NaCl is heated with conc. H2SO₄ ?

A)

$CrO_{2}Cl_{2}$

B)

$CrCl_{3}$

C)

$Cr_{2}(SO_{4})_{3}$

D)

$Na_{2}CrO_{4}$

Answer:

Option A

Explanation:

$K_{2}Cr_{2}O_{7}+4NaCl+6H_{2}SO_{4}\xrightarrow{Heat}2CrO_{2}Cl_{2}+6NaHSO_{4}+3H_{2}O$

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