In O2 each oxygen atom is hybridized_________________?

Related Mcqs:

1. Equal masses of methane and oxygen are mixed in empty container at 250?(C) The fraction of total pressure exerted by oxygen is___________________?

   A. one / seventeen
   B. sixteen / seventeen
   C. one / three
   D. two / three

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

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

3. nergy of atom in compound is___________________?

   EA. Higher than individual
   B. Lesser than individual
   C. No change
   D. Impossible to predict

4. An atom loses or gains electrons to__________________?

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

5. Bond will beionic when E.N difference of bonded atom is ____________________?

   A. Equal to 1.7
   B. Greater than 1.7
   C. Less than 1.7
   D. No specificity exists

6. Geometry of molecule will be pyramidal if the outer post shell of the central atom has___________________?

   A. 3 bond pair one lone pair
   B. 2 bond pair 2 lone pair
   C. 1 bond pair 3 lone pair
   D. 3 lone pair 1 bond pair

7. The oxidation number of central metal atom in [Ni(CO)4] is_________________?

   A. 0
   B. 2
   C. 4
   D. 6

8. Oxidation state of an atom represents____________________?

   A. Number of electrons gained
   B. Number of electrons lost
   C. Apparent charge in compound
   D. Its vacancies

9. In primary alkyl halides the halogen atom is attached to a carbon which is further attached to how many carbon atoms__________________?

   A. two
   B. three
   C. one
   D. four

10. Sum of protons and neutrons in an atom gives off _________ ?

    A. Nucleon numbera
    B. Mass number
    C. Atomic number
    D. Both A and B

    Submitted by: Rashid Mehmood