A chemist burns 0.8 g of iron in oxygen.
1 answer:
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Answer: Option (b) is the correct answer.
Explanation:
When there are more number of hydroxide ions in a solution then there will be high concentration of or hydroxide ions. As a result, more will be the strength of base in that particular solution.
A base is strong when it readily dissociate into its ions in the solution. When a base is strong, then it does not matter at what concentration it is dissolved in the solution because despite of its low concentration it will remain a strong base.
Thus, we can conclude that out of the given options, the statement even at low concentrations, a strong base is strong best relates the strength and concentration of a base.
Answer:
is reduced in the reaction
Explanation:
The given reaction is
The oxidation number of is changed from
And The oxidation number of is changed from
Hence, is oxidized and
is reduced