Sommerfelds modification in Bohrs model is_______________?

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. Bohrs model is contradicted by__________________?

   A. Plancks theory B. Dual nature of matter C. Heisenbergs uncertainty principle D. All of these...

3. According to VESPR Model the geometry of molecule having 5 bond pair in outer most shell will be __________________?

   A. Triangular B. Square planner C. Trigonal bipyramidal D. Octahedral...

4. The atomic number of an element having maximum number of unpaired electrons in p-subshell is_______________?

   A. 7 B. 10 C. 12 D. 16...

5. Solubility of CaF2 is 2.0×10-4 gdm-3 then Ksp of CaF2 is_______________?

   A. 4.0 x 10-8 B. 3.2 x 10-11 C. 2.0 x 10-8 D. 4.0 x 10-12...

6. Unit of Kc is_______________?

   A. moles2dm+6 B. moles-2dm+6 C. moles+2dm-6 D. Kc may or may not have units...

7. Chemical equilibrium state is_______________?

   A. dynamic state B. static state C. free state D. unidirectional state...

8. At start of reaction the concentration of reactants is_______________?

   A. high B. low C. according to Kc D. constant...

9. Enzyme proved useful in cancer treatment is_______________?

   A. Lactic dehydrogenase B. Alkaline phosphatase C. L-asparaginase D. Cellulase...

10. Consider the following reaction- 3Cl2 + 6NaOH ? NaClO3 + 5NaCl + 3H2O This reaction is_______________?

    A. Displacement reaction B. Double displacement reaction C. Disproportionation reaction D. Reduction reaction...