In Periods from Left to right Electronegativity will: _________?

Related Mcqs:

1. In a period electronegativity from left to right_________________?

   A. Increases
   B. Decreases
   C. Remain constant
   D. Variable trend

2. Which of the halogen has highest electronegativity ?

   A. Fluorine
   B. Chlorine
   C. Bromine
   D. Iodine

3. The Electronegativity of Hydrogen is _____.

   A. 2.8
   B. 2.2
   C. 3.1
   D. 1.8

   Submitted by: Aamir khan Hullio

4. What is the Chemical formula of Zinc Hydroxide _________ ?

   A. Zn(OH)2
   B. ZNO2
   C. Zn2(OH)3
   D. ZnOH

   Submitted by: Rashid Mehmood

5. If R is the Rydberg constant for hydrogen, then wave-number of the second line in the Lyman series is _________?

   A. 2 R
   B. R/2
   C. 3R/4
   D. R/4

   Submitted by: Muhammad Ali Kunbhar

6. The density of a gas is 1.964 g dm-3 at 273 K and 76 cm Hg. The gas is _________?

   A. CH4
   B. CO2
   C. C2H4
   D. Xe

   Submitted by: Muhammad Ali Kunbhar

7. Chromatography is used to separate _________ ?

   A. Solution
   B. Mixtures
   C. Molecules
   D. Atoms

   Submitted by: Rashid Mehmood

8. In a group, atomic radii increase due to successive increase of _________ ?

   A. Electronic shells
   B. Proton shells
   C. Neutron shells
   D. Nucleus

   Submitted by: Rashid Mehmood

9. Law of mass action was proposed by Goldberg and Peter Waage in _________?

   A. 1864
   B. 1866
   C. 1888
   D. None of These

   Submitted by: Name

10. The best indicator for titrating HCl with NH4OH is: _________?

    A. methyl Orange
    B. litmus
    C. phenol red   
    D. phenopthalein

    Submitted by: Said wali shah