General Chemistry (4th Edition)

Published by University Science Books
ISBN 10: 1891389602
ISBN 13: 978-1-89138-960-3

Chapter 26 The Chemistry of the Transition Metals - Problems: 5

Answer

Sodium dichromate reacts with carbon and is reduced to chromium (III) oxide, which forms a corrosion resistant layer on the metal surface $Na_{2}Cr_{2}O_{7} + 2C → Cr_{2}O_{3} + Na_{2}CO_{3} + CO$

Work Step by Step

Sodium dichromate reacts with carbon and is reduced to chromium (III) oxide, which forms a corrosion resistant layer on the metal surface $Na_{2}Cr_{2}O_{7} + 2C → Cr_{2}O_{3} + Na_{2}CO_{3} + CO$
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