Sharing of 1 electron pair by one specie forms_________________?

Related Mcqs:

1. When an electron is moving with velocity of 2.188 x 106 ms-1 in the first orbit of Bohrs model of hydrogen. The de Broglie wavelength of electron is______________?

   A. 0.33 nm
   B. 0.34 nm
   C. 0.35 nm
   D. 0.36 nm

2. A specie with maximum number of unpaired electrons ?

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

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

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

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. Energy required to remove electron from an atom______________?

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

6. Which of the following will have highest value of electron affinity_________________?

   A. F
   B. Cl
   C. Br
   D. I

7. Unpaired electron in a molecule gives ______________ character ?

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

8. Electron was discovered by?

   A. Michael Faraday
   B. James Maxwell
   C. Yuri Gagarin
   D. J.J Thomson

   Submitted by: Shahid Sargarh

9. The mass of one mole of electron is________________?

   A. 1.008
   B. 0.55
   C. 0.184
   D. 1.637

10. An element having low value of ionization energy and low value of electron affinity is likely to belong to__________________?

    A. Group IA
    B. Group IB
    C. Group VIIA
    D. Group VIII