Which one has maximum number of unpaired electrons ?

Related Mcqs:

1. A specie with maximum number of unpaired electrons ?

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

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

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

3. Which specie has unpaired electrons in antibonding molecular orbitals_______________?

   A. O2+2
   B. N2-2
   C. B2
   D. O2-2

4. Unpaired electron in a molecule gives ______________ character ?

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

5. What is maximum number of electrons in an orbital with m (magnetic quantum number) = 3 ?

   A. 6
   B. 4
   C. 3
   D. 2

6. Space around nucleus where finding probability of electrons is maximum is called ____________________?

   A. Orbital
   B. Orbit is elliptical
   C. subshell
   D. Electron cloud

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

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

8. The relative attraction of the nucleus for the electrons in a chemical bond is called _________________?

   A. Ionization energy
   B. Electron affinity
   C. Electro negativity
   D. None of the above

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

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