Below are shown, for five metals, reduction reactions and standard electrode potential values. which of these metals is the leas
t reactive?
1 answer:
Above question is incomplete. Complete question is attached below
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Solution:
Reduction potential of metal ions are provided below. Higher the value to reduction potential, greater is the tendency of metal to remain in reduced state.
In present case, reduction potential of Au is maximum, hence it is least prone to undergo oxidation. Hence, it is least reactive.
On other hand, reduction potential of Na is minimum, hence it is most prone to undergo oxidation. Hence, it is most reactive.
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Solution:
Reduction potential of metal ions are provided below. Higher the value to reduction potential, greater is the tendency of metal to remain in reduced state.
In present case, reduction potential of Au is maximum, hence it is least prone to undergo oxidation. Hence, it is least reactive.
On other hand, reduction potential of Na is minimum, hence it is most prone to undergo oxidation. Hence, it is most reactive.
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Answer : The number of marbles lined up across the circumference of the earth can be, marbles
Explanation :
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r = radius of marble = 0.25 mm
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Circumference of the earth distance =
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Number of marbles can be lined up = marbles
Thus, the number of marbles lined up across the circumference of the earth can be, marbles