Which statements are correct for the peroxide ion? 1 It has five completely filled anti-bonding molecular orbitals 2 It is diamagnetic 3 It has bond order one 4 It is isoelectronic with neon

Question

Which statements are correct for the peroxide ion? 1 It has five completely filled anti-bonding molecular orbitals 2 It is diamagnetic 3 It has bond order one 4 It is isoelectronic with neon, 1, 2, 2, 3, 2, 4, 1, 2, 3

MARKS App · Accepted Answer

O 2 2 - ( 18 ) : ( σ 1 s ) 2 ( σ * 1 s ) 2 ( σ * 2 s ) 2 ( σ 2 p z ) 2 ( π 2 p x ) 2 ( π 2 p y ) 2 ( π * p x ) 2 ( π * 2 p y ) 2 So, no unpaired electrons = diamagnetic Bond order = 10 - 8 2 = 1

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