Chemistry Quiz-Periodic Table

PERIODIC TABLE (Quiz)

Quiz

 

1. The law of triads is applicable to
   
   1.   (1) C, N, O
   2.   (2) H, O, N
   3.   (3) Na, K, Rb
   4.   (4) Cl, Br, I
2. Which of the following set of elements obeys Newland's octave rule –
   1.   (1) Na, K, Rb
   2.   (2) F, Cl, Br
   3.   (3) Be, Mg, Ca
   4.   (4) B, Al, Ga
3. The first attempt to classify elements systematically was made by -
   1.   (1) Mendeleev
   2.   (2) Newland
   3.   (3) Lother Meyer
   4.   (4) Dobereiner
4. Which of the following element was present in Mendeleev's periodic table?
   1.   (1) Sc
   2.   (2) Tc
   3.   (3) Ge
   4.   (4) None of these
5. Which of the following element has 2nd IP < 1st IP
   
   1.   (1) Mg
   2.   (2) Ne
   3.   (3) C
   4.   (4) None
6. Which of the following statement is wrong :-
   
   1.   (1) Total no. of liquid elements in the periodic table.....Six
   2.   (2) First metal element in the periodic table is....Li
   3.   (3) All type of elements are present in 6th period
   4.   (4) Iodine is a gaseous element.
7. Arrange the elements in increasing order of atomic radius Na, Rb, K, Mg :–
   
   1.   (1) Na, K, Mg, Rb
   2.   (2) K, Na, Mg, Rb
   3.   (3) Mg, Na, K, Rb
   4.   (4) Rb, K, Mg, Na
8. Which has the lowest anion to cation size ratio-
   
   1.   (1) LiF
   2.   (2) NaF
   3.   (3) CsI
   4.   (4) CsF
9. Which of the following pairs of elements have almost similar atomic radii :-
   
   1.   (1) Zr, Hf
   2.   (2) Mo, W
   3.   (3) Co, Ni
   4.   (4) All
10. Which statement is false:
    1.   (1) Screening effect increases down the group
    2.   (2) Zeff increases down the group
    3.   (3) Zeff. increases in a period
    4.   (4) All
11. Which of the following statement is wrong :-
    1.   (1) All the actinides are synthetic (man made) elements
    2.   (2) In the Lanthanides last electron enters in 4f orbitals
    3.   (3) Np93 onwards are transuranic elements
    4.   (4) Lanthanum is d–block element