Which of the following reactions do not result in the preparation of potassium dichromate? (I) `4FeCr_2O_4+8 Na_2CO_3+7O_2to` (II) `Na_2CrO_4+H_2SO_4 to ` (III) `Na_2Cr_2 O_7 + 2KCl to `A. I and IIB. II and IIIC. I and IIID. I, II, and III

Which of the following reactions do not result in the preparation of p

1.	Which of the following reactions do not result in the preparation of potassium dichromate? (I) `4FeCr_2O_4+8 Na_2CO_3+7O_2to` (II) `Na_2CrO_4+H_2SO_4 to ` (III) `Na_2Cr_2 O_7 + 2KCl to `A. I and IIB. II and IIIC. I and IIID. I, II, and III
Answer» Correct Answer - A (I) `4FeCr_2O_4+8 Na_2CO_3+7O_2to 8Na_2CrO_4+2Fe_2O_3+8CO_2` (II) `2Na_2CrO_4+H_2SO_4toNa_2Cr_2O_7+Na_2SO_4+H_2O` (III) `Na_2Cr_2O_7+2KCl to K_2Cr_2O_7+2NaCl`

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Which of the following reactions do not result in the preparation of potassium dichromate? (I) `4FeCr_2O_4+8 Na_2CO_3+7O_2to` (II) `Na_2CrO_4+H_2SO_4 to ` (III) `Na_2Cr_2 O_7 + 2KCl to `A. I and IIB. II and IIIC. I and IIID. I, II, and III

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