JEE Main 2026 — d and f Block Elements Question with Solution
JEE Main 2026 (21 January Shift 2)
Question
Given below are some of the statements about Mn and . Identify the correct statements.
A. Mn forms the oxide , in which Mn is in its highest oxidation state.
B. Oxygen stabilizes the Mn in higher oxidation states by forming multiple bonds with Mn.
C. is an ionic oxide.
D. The structure of consists of one bridged oxygen.
Choose the correct answer from the options given below :
A. Mn forms the oxide , in which Mn is in its highest oxidation state.
B. Oxygen stabilizes the Mn in higher oxidation states by forming multiple bonds with Mn.
C. is an ionic oxide.
D. The structure of consists of one bridged oxygen.
Choose the correct answer from the options given below :
Choose an option
Show full solutionCorrect option: A
Correct answer
AA, B and D Only
Step-by-step explanation
Analyzing each statement:
Statement A: In Mn₂O₇, using oxidation state calculation: 2(Mn) + 7(O⁻²) = 0, so Mn oxidation state = +7. This is indeed the highest oxidation state for Mn. TRUE.
Statement B: Oxygen stabilizes Mn in +7 oxidation state through multiple bonding (Mn=O double bonds and bridging), reducing electron density effectively. TRUE.
Statement C: Mn₂O₇ is primarily a covalent oxide with significant Mn-O covalent bonding character. The oxide is not ionic in nature. FALSE.
Statement D: The structure of Mn₂O₇ contains bridged oxygen atoms (Mn-O-Mn linkages) along with terminal Mn=O bonds. TRUE.
Statements A, B, and D are correct while C is incorrect. The answer is option (1): A, B and D Only.
Statement A: In Mn₂O₇, using oxidation state calculation: 2(Mn) + 7(O⁻²) = 0, so Mn oxidation state = +7. This is indeed the highest oxidation state for Mn. TRUE.
Statement B: Oxygen stabilizes Mn in +7 oxidation state through multiple bonding (Mn=O double bonds and bridging), reducing electron density effectively. TRUE.
Statement C: Mn₂O₇ is primarily a covalent oxide with significant Mn-O covalent bonding character. The oxide is not ionic in nature. FALSE.
Statement D: The structure of Mn₂O₇ contains bridged oxygen atoms (Mn-O-Mn linkages) along with terminal Mn=O bonds. TRUE.
Statements A, B, and D are correct while C is incorrect. The answer is option (1): A, B and D Only.
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This is a previous-year question from JEE Main 2026, covering the d and f Block Elements chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.