The d- and f- Block Elements - Online Test
Q1. The f – block elements are known as
Answer : Option D
Explaination / Solution:
F block elements are known as inner transition elements.
Q2. 4d transition elements series are from
Answer : Option D
Explaination / Solution:
4d series arises from Y ( 4d15s2 )
Q3. The inner transition metals of 5 f series is known as
Answer : Option D
Explaination / Solution:
inner transition metals of 5 f series is known as Actinoids.
Q4. Which among the following is the coinage metal?
Answer : Option A
Explaination / Solution:
Cu , Ag ,Au are known as coinage metals.
Q5. Which among the following elements does not belong to first transition series?
Answer : Option B
Explaination / Solution:
Ag belongs to second transition series.
Q6. Which among the following is not considered as a part of transition elements?
Answer : Option A
Explaination / Solution:
Zn, Cd and Hg are not considered as transition elements because they donot have incompletely filled d orbital in its ground state or stable oxidation state.
Q7. Which among the following transition metal has lowest melting point?
Answer : Option B
Explaination / Solution:
Zn has lowest melting point because it doesnot have any unpaired electrons.
Q8. Transition metals with highest melting point is
Answer : Option A
Explaination / Solution:
W belongs to 5d series and also it have lot of unpaired electrons thus it forms strong metallic bonding.
Q9. Which is the most stable oxidation state of iron?
Q10. Electronic configuration of Cu3+ is
Answer : Option B
Explaination / Solution:
Cu has atomic number 29.
