Which specie has unpaired electrons in antibonding molecular orbitals_______________?

Related Mcqs:

1. A specie with maximum number of unpaired electrons ?

   A. F B. H2O C. HF D. NH-2...

2. The specie which donates electrons to central metal atom in coordination sphere is called____________________?

   A. anion B. cation C. Ligand is positively charged D. acid...

3. The atomic number of an element having maximum number of unpaired electrons in p-subshell is_______________?

   A. 7 B. 10 C. 12 D. 16...

4. Which one has maximum number of unpaired electrons ?

   A. 6X B. 7Y C. 9Z D. 13W...

5. Oxygen (molecular weight = 32) diffuses at a rate of 10cm3/min under the same conditions of temperature and pressure how fast will hydrogen (molecular weight = 2) diffuse ?

   A. 20cm3/min B. 40cm3/min C. 160cm3/min D. 2.5cm3/min...

6. Sharing of 1 electron pair by one specie forms_________________?

   A. Single covalent bond B. Hydrogen bond C. Double covalent bond D. Coordinate covalent bond...

7. Unpaired electron in a molecule gives ______________ character ?

   A. Ferromagnetic B. Paramagnetic C. Diamagnetism D. Both A & B...

8. Energy released or absorbed when electrons are added in atom is_________________?

   A. Ionization potential B. Electronegativity C. Electron affinity D. Activation energy...

9. An atom loses or gains electrons to__________________?

   A. Gain stability B. Form a bond C. Complete its outermost shell D. all are accurate justifications...

10. The number of d-electrons in Fe2+ (Z = 26) is not equal to that of____________?

    A. p-electrons in Ne(Z = 10) B. s-electrons in Mg(Z = 12) C. d-electrons in Fe(Z = 26) D. p-electrons in CI(Z = 17) Submitted by: Muhammad Ali Kunbhar...