Non-stoichiometric compounds of transition elements are called___________________?

Related Mcqs:

1. Colour in transition metal compounds is attributed to____________?

   A. Small sized metal ions
   B. Absorption of light in UV region
   C. Complete ns sub-shell
   D. Incomplete (n-1) d sub-shell

   Submitted by: Muhammad Ali Kunbhar

2. Group VIB of transition elements contains___________________?

   A. Zn Cd Hg
   B. Fe Ru Os
   C. Cr Mo W
   D. Mn Te Re

3. The oxidation state of transition elements is usually _______________________?

   A. variable
   B. constant
   C. single
   D. infinite

4. The location of transition elements is in between__________________?

   A. lanthanides & actinides
   B. s and p block elements
   C. chalcogens and halogens
   D. d and f block elements

5. All the transition elements show_________________?

   A. Similar physical properties
   B. Similar chemical properties
   C. Both A and b
   D. None

6. Inner transition elements are called _________________?

   A. Lanthanides
   B. Actinides
   C. Rare earth metals
   D. All

7. Transition elements, in general, exhibit the following properties, except one. Name that property?

   A. Variable oxidation state
   B. Natural Radioactivity
   C. Tendency to form complexes
   D. Formation of alloys

   Submitted by: Muhammad Ali Kunbhar

8. Which of the p-block elements are not representative elements ?

   A. Alkali metals (I-A)
   B. Group-14 elements (IV-A)
   C. Group-18 elements (VIII-A)
   D. Halogens (VII-A)

9. Boron is non metal while other elements of IIIA group are metals. This is because______________?

   A. it has small size
   B. it has high nuclear charge
   C. it forms molecular addition compounds
   D. all of the above

10. Geometry of the complex compounds usually depends upon __________________?

    A. type of ligands
    B. types of hybridization in the elements of ligands
    C. hybridization of central metal
    D. All of above