Which of the following has lowest lattice energy?

Related Mcqs:

1. In which of the following type of reactions energy of reactant is greater than energy of product________________?

   A. endothermic
   B. exothermic
   C. unpredictable
   D. same

2. Orbitals of same energy produced after mixing of orbitals of different energy are called __________________?

   A. Degenerate orbitals
   B. Generate orbitals
   C. Hybrid orbitals
   D. Zeeman orbitals

3. Energy of reactant higher than energy of product favours A. Endothermic_______________?

   B. Exothermic
   C. Moderate reaction
   D. No reaction

4. Which one has the lowest density at room temperature ?

   A. Ne
   B. N2
   C. NH3
   D. CO

5. Which state of matter has the lowest density ?

   A. Gas
   B. Liquid
   C. Solid
   D. Plasma

6. Which of the following possesses maximum hydration energy ?

   A. Na+
   B. K+
   C. Mg+2
   D. Ca+2

7. When an atom absorbs energy the lines in the spectrum will appear which are_________________?

   A. Brighter
   B. Darker
   C. Colourless
   D. Hard to locate

8. Ionization energy in a period generally ___________________?

   A. Increases
   B. Decreases
   C. No change
   D. Variable trend

9. Energy of activation for backward reaction is less than forward reaction for ___________ reactio?

   A. Endothermic
   B. Exothermic
   C. Moderate
   D. Fast

10. The fundamental way to transfer energy are:_____________?

    A. pressure and temperature
    B. pressure and volume
    C. heat and volume
    D. heat and work 

    Submitted by: Said wali shah