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JEE Main 202312 AprilMorning Shift
Exam
JEE Main
Year
2023
Date
12 April
Shift
Morning Shift
Subject
Chemistry
Chapter
Chemical Bonding and Molecular Structure

JEE Main 2023 · 12 April · Morning Shift · Chemistry · Chemical Bonding and Molecular Structure

The bond order and magnetic property of acetylide ion are same as...

The bond order and magnetic property of acetylide ion are same as that of

Options

  1. AO2+{{O}_{2}}^{+}
  2. BN2+{{N}_{2}}^{+}
  3. CNO+{NO}^{+}
  4. DO2−{{O}_{2}}^{-}

Correct answer

C. NO+{NO}^{+}

Step-by-step solution

The bond order of the acetylide ion HC≡C−HC ≡ {C}^{-} is 33, indicating a triple bond between the carbon atoms.

The acetylide ion consists of two carbon atoms with a triple bond between them and a negative charge. In the triple bond, there are six bonding electrons (two pi bonds and one sigma bond) and zero antibonding electrons.

Among the given options NO+{NO}^{+} will have the same bond order and magnetic property like acetylide ion.

Species Bond Order Magnetic moment
HC≡C−HC ≡ {C}^{-} 33 00
O2+{{O}_{2}}^{+} 2.52 . 5 3B.M\sqrt{3}B . M
N2+{{N}_{2}}^{+} 2.52 . 5 3B.M\sqrt{3}B . M
NO+{NO}^{+} 33 00
O2−{{O}_{2}}^{-} 1.51 . 5 3B.M\sqrt{3}B . M
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