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(b) Electroplating using chromium is widely used for both decorative and functional applications in the automotive indus
Posted: Wed May 18, 2022 10:18 am
by answerhappygod
- B Electroplating Using Chromium Is Widely Used For Both Decorative And Functional Applications In The Automotive Indus 1 (51.96 KiB) Viewed 62 times
(b) Electroplating using chromium is widely used for both decorative and functional applications in the automotive industry. (0) What is the oxidation state of chromium in the chromate (CrO42-)? [1] (ii) What is the oxidation state of chromium metal? ? [1] (iii) A layer of chromium metal is plated from molten chromate on to a car bumper with surface area 2.0 × 103 cm2. If a current of 250 A was used, how long must the current be passed through the electrolytic cell in order to achieve a chromium layer thickness of 3.0 x 10-3 cm?