Class 9 Exam > Class 9 Questions > Fractional Oxidation Number exists becausea)e...
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Fractional Oxidation Number exists because
- a)electrons are never shared/transferred in that element
- b)the element is present in different oxidation states
- c)the average oxidation state of the element is divided by two
- d)middle carbon in such elements has always zeo oxidation state
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
Fractional Oxidation Number exists becausea)electrons are never shared...
Fractional Oxidation Number exists because the element is present in different oxidation states.
Most Upvoted Answer
Fractional Oxidation Number exists becausea)electrons are never shared...
Explanation:
Fractional oxidation numbers exist when an element is present in different oxidation states. An oxidation number is a positive or negative number assigned to an atom in a compound or ion to indicate its degree of oxidation or reduction. The oxidation state of an element is a measure of the number of electrons that an atom has gained or lost when it forms a chemical bond.
Electrons shared/transferred:
Option (a) states that fractional oxidation numbers exist because electrons are never shared/transferred in that element. This statement is incorrect because electrons are always shared or transferred in a chemical bond. When atoms form a bond, they either share electrons or transfer them, resulting in a change in oxidation state.
Different oxidation states:
Option (b) is the correct answer because fractional oxidation numbers exist when an element is present in different oxidation states. Some elements, such as transition metals, can exist in multiple oxidation states due to the presence of d orbitals that can accommodate different numbers of electrons. For example, iron (Fe) can exist in the +2 or +3 oxidation state. In this case, the fractional oxidation number would be written as Fe2+/Fe3+ to represent the different oxidation states.
Average oxidation state:
Option (c) states that the average oxidation state of the element is divided by two to obtain the fractional oxidation number. This statement is incorrect because fractional oxidation numbers are not obtained by dividing the average oxidation state by two. Instead, they represent the different oxidation states of an element.
Middle carbon:
Option (d) states that the middle carbon in such elements always has a zero oxidation state. This statement is incorrect because the oxidation state of carbon can vary depending on the compound it is present in. Carbon can have positive, negative, or zero oxidation states depending on the chemical environment.
In conclusion, fractional oxidation numbers exist when an element is present in different oxidation states. This allows for the representation of multiple oxidation states of an element in a chemical compound.
Fractional oxidation numbers exist when an element is present in different oxidation states. An oxidation number is a positive or negative number assigned to an atom in a compound or ion to indicate its degree of oxidation or reduction. The oxidation state of an element is a measure of the number of electrons that an atom has gained or lost when it forms a chemical bond.
Electrons shared/transferred:
Option (a) states that fractional oxidation numbers exist because electrons are never shared/transferred in that element. This statement is incorrect because electrons are always shared or transferred in a chemical bond. When atoms form a bond, they either share electrons or transfer them, resulting in a change in oxidation state.
Different oxidation states:
Option (b) is the correct answer because fractional oxidation numbers exist when an element is present in different oxidation states. Some elements, such as transition metals, can exist in multiple oxidation states due to the presence of d orbitals that can accommodate different numbers of electrons. For example, iron (Fe) can exist in the +2 or +3 oxidation state. In this case, the fractional oxidation number would be written as Fe2+/Fe3+ to represent the different oxidation states.
Average oxidation state:
Option (c) states that the average oxidation state of the element is divided by two to obtain the fractional oxidation number. This statement is incorrect because fractional oxidation numbers are not obtained by dividing the average oxidation state by two. Instead, they represent the different oxidation states of an element.
Middle carbon:
Option (d) states that the middle carbon in such elements always has a zero oxidation state. This statement is incorrect because the oxidation state of carbon can vary depending on the compound it is present in. Carbon can have positive, negative, or zero oxidation states depending on the chemical environment.
In conclusion, fractional oxidation numbers exist when an element is present in different oxidation states. This allows for the representation of multiple oxidation states of an element in a chemical compound.
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Fractional Oxidation Number exists becausea)electrons are never shared/transferred in that elementb)the element is present in different oxidation statesc)the average oxidation state of the element is divided by twod)middle carbon in such elements has always zeo oxidation stateCorrect answer is option 'B'. Can you explain this answer?
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Fractional Oxidation Number exists becausea)electrons are never shared/transferred in that elementb)the element is present in different oxidation statesc)the average oxidation state of the element is divided by twod)middle carbon in such elements has always zeo oxidation stateCorrect answer is option 'B'. Can you explain this answer? for Class 9 2024 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about Fractional Oxidation Number exists becausea)electrons are never shared/transferred in that elementb)the element is present in different oxidation statesc)the average oxidation state of the element is divided by twod)middle carbon in such elements has always zeo oxidation stateCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 9 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Fractional Oxidation Number exists becausea)electrons are never shared/transferred in that elementb)the element is present in different oxidation statesc)the average oxidation state of the element is divided by twod)middle carbon in such elements has always zeo oxidation stateCorrect answer is option 'B'. Can you explain this answer?.
Fractional Oxidation Number exists becausea)electrons are never shared/transferred in that elementb)the element is present in different oxidation statesc)the average oxidation state of the element is divided by twod)middle carbon in such elements has always zeo oxidation stateCorrect answer is option 'B'. Can you explain this answer? for Class 9 2024 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about Fractional Oxidation Number exists becausea)electrons are never shared/transferred in that elementb)the element is present in different oxidation statesc)the average oxidation state of the element is divided by twod)middle carbon in such elements has always zeo oxidation stateCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 9 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Fractional Oxidation Number exists becausea)electrons are never shared/transferred in that elementb)the element is present in different oxidation statesc)the average oxidation state of the element is divided by twod)middle carbon in such elements has always zeo oxidation stateCorrect answer is option 'B'. Can you explain this answer?.
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Fractional Oxidation Number exists becausea)electrons are never shared/transferred in that elementb)the element is present in different oxidation statesc)the average oxidation state of the element is divided by twod)middle carbon in such elements has always zeo oxidation stateCorrect answer is option 'B'. Can you explain this answer?, a detailed solution for Fractional Oxidation Number exists becausea)electrons are never shared/transferred in that elementb)the element is present in different oxidation statesc)the average oxidation state of the element is divided by twod)middle carbon in such elements has always zeo oxidation stateCorrect answer is option 'B'. Can you explain this answer? has been provided alongside types of Fractional Oxidation Number exists becausea)electrons are never shared/transferred in that elementb)the element is present in different oxidation statesc)the average oxidation state of the element is divided by twod)middle carbon in such elements has always zeo oxidation stateCorrect answer is option 'B'. Can you explain this answer? theory, EduRev gives you an
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