In Down cell, the anode is made up of _.
Correct answer: A. Graphite
- A. Graphite
- B. Copper
- C. Iron
- D. Silver
Explanation
In a Down cell, the anode is made up of graphite. It is made up of graphite so that it does not react with chlorine which is liberated at the anode. Hence answer is A.
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About Reactions of Group I Elements
Group I elements have one valence electron, so their reactivity increases down the group as ionisation energy decreases. Their reactions with water, oxygen, hydrogen and halogens produce hydroxides, oxides, hydrides and halides, while the behaviour of lithium differs from the heavier metals because of its small ionic size.
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