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Which one is most ionic : (1995S)
- a)P2O5
- b)CrO3
- c)MnO
- d)Mn2O7
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Which one is most ionic : (1995S)a)P2O5b)CrO3c)MnOd)Mn2O7Correct answe...
P2O5 is a non- metallic oxide and so it must be more covalent than others which are metallic oxides.
More over the metallic oxide with metal in higher oxidation state is more covalent so Mn2O7(Mn=+7state) is most covalent and MnO(Mn=+2state) is most ionic amongst Mn2O7.
MnO and CrO3(Cr=+6state)
Hence C is the correct answer.
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Community Answer
Which one is most ionic : (1995S)a)P2O5b)CrO3c)MnOd)Mn2O7Correct answe...
Explanation:
Ionic character is defined as the degree of electron transfer from one atom to another in a chemical bond.
Here, we need to compare the ionic character of four compounds: P2O5, CrO3, MnO, and Mn2O7.
To determine the ionic character of a compound, we need to consider the electronegativity difference between the two atoms that form the bond. The greater the electronegativity difference, the more ionic character the bond will have.
P2O5: P has an electronegativity of 2.19 and O has an electronegativity of 3.44. The electronegativity difference is 1.25, indicating a relatively low ionic character.
CrO3: Cr has an electronegativity of 1.66 and O has an electronegativity of 3.44. The electronegativity difference is 1.78, indicating a higher ionic character than P2O5.
MnO: Mn has an electronegativity of 1.55 and O has an electronegativity of 3.44. The electronegativity difference is 1.89, indicating a higher ionic character than both P2O5 and CrO3.
Mn2O7: Mn has an electronegativity of 1.55 and O has an electronegativity of 3.44. The electronegativity difference is the same as MnO, at 1.89.
Therefore, MnO and Mn2O7 have the highest ionic character among the given compounds.
Conclusion:
MnO and Mn2O7 have the highest ionic character among the given compounds due to the greater electronegativity difference between Mn and O.
Ionic character is defined as the degree of electron transfer from one atom to another in a chemical bond.
Here, we need to compare the ionic character of four compounds: P2O5, CrO3, MnO, and Mn2O7.
To determine the ionic character of a compound, we need to consider the electronegativity difference between the two atoms that form the bond. The greater the electronegativity difference, the more ionic character the bond will have.
P2O5: P has an electronegativity of 2.19 and O has an electronegativity of 3.44. The electronegativity difference is 1.25, indicating a relatively low ionic character.
CrO3: Cr has an electronegativity of 1.66 and O has an electronegativity of 3.44. The electronegativity difference is 1.78, indicating a higher ionic character than P2O5.
MnO: Mn has an electronegativity of 1.55 and O has an electronegativity of 3.44. The electronegativity difference is 1.89, indicating a higher ionic character than both P2O5 and CrO3.
Mn2O7: Mn has an electronegativity of 1.55 and O has an electronegativity of 3.44. The electronegativity difference is the same as MnO, at 1.89.
Therefore, MnO and Mn2O7 have the highest ionic character among the given compounds.
Conclusion:
MnO and Mn2O7 have the highest ionic character among the given compounds due to the greater electronegativity difference between Mn and O.
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Which one is most ionic : (1995S)a)P2O5b)CrO3c)MnOd)Mn2O7Correct answer is option 'C'. Can you explain this answer? for JEE 2025 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about Which one is most ionic : (1995S)a)P2O5b)CrO3c)MnOd)Mn2O7Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for JEE 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which one is most ionic : (1995S)a)P2O5b)CrO3c)MnOd)Mn2O7Correct answer is option 'C'. Can you explain this answer?.
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