A specie with maximum number of unpaired electrons ?

Related Mcqs:

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

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

2. Which one has maximum number of unpaired electrons ?

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

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. 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

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

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

6. Unpaired electron in a molecule gives ______________ character ?

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

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

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

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

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

9. 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

10. An atom loses or gains electrons to__________________?

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