All members of homologous series have different __________?

Related Mcqs:

1. In homologous series there is the difference of mass between adjacent members.

   A. 14amu 
   B. 12amu
   C. 18amu
   D. 22amu

   Submitted by: Aamir khan Hullio

2. Aldehyde and ketone have same general formula for homologous series_________________?

   A. CnH2nO2n
   B. CnH2n
   C. CnH2nO
   D. CnH2nOn+1

3. When electron jump into orbit 1 then series obtained is___________________?

   A. Lyman
   B. Paschen
   C. Pfund
   D. Brackett

4. Pfund series are produced in the spectrum of hydrogen atom__________________?

   A. when electrons jump down to 2nd- orbit
   B. when electrons jump down to 3rd- orbit
   C. when electrons jump down to 4th- orbit
   D. when electrons jump down to 5th- orbit

5. The melting points and boiling points upto meddle of 3d- series ____________________?

   A. increases
   B. decreases
   C. remain same
   D. no regular trend

6. 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

7. Li is different from its family members due to____________________?

   A. small size
   B. high charge density
   C. less electropositivity
   D. all of the above

8. Quantum numbers are __________ ?

   A. Arithmetical values
   B. Numerical values
   C. Leometric values
   D. Logical values

   Submitted by: Rashid Mehmood

9. The shielding Effect across the period __________?

   A. Increases
   B. Decreases
   C. Remains Same
   D. None of them

   Submitted by: Aamir khan Hullio

10. Polyvinyl acetate is the Polymer of __________?

    A. Vinyl Chloride
    B. Vinyl acetate
    C. Formaldehyde
    D. Methyl methacrylate

    Submitted by: Jawad Meer