K₂Cr₂O₇ + (a)SO₂ + (b)H₂SO₄ --> K₂SO₄ + Cr₂(SO₄)₃ + (c)H₂O
In the reaction what will be the respective number of coefficients (a), (b) and (c).
(A) 1,1,3
(B) 3,1,1
(C) 1,3,1
(D) 3,1,3
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Answer:
(c) . 1, 3, 1
Explanation:
We have given the following equation and we have to balance it:
K₂Cr₂O₇ + (a)SO₂ + (b)H₂SO₄ --> K₂SO₄ + Cr₂(SO₄)₃ + (c)H₂O
So,
When potassium dichromate and sulfuric acid react with sulfur dioxide than it produces potassium sulfate( K₂SO₄ ), chromium sulfate(Cr₂(SO₄)₃ ) and water. Balance equation is
K₂Cr₂O₇ + (1)SO₂ + (3)H₂SO₄ --> K₂SO₄ + Cr₂(SO₄)₃ + (1)H₂O
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