EASY
JEE Main/Advance
IMPORTANT
Earn 100

Name the d-block elements which do not have partially filled d -orbitals in their atoms or in their simple ions.

Important Questions on The d- and f-Block Elements

EASY
JEE Main/Advance
IMPORTANT
Alpha Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>Exercise-1>Q 10
What is meant by the 'lanthanoid contraction'? Mention one important fact that can be considered as a consequence of the lanthanoid contraction.
EASY
JEE Main/Advance
IMPORTANT
Alpha Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>Exercise-1>Q 13
Why zinc has the lowest melting point in 3d series?
EASY
JEE Main/Advance
IMPORTANT
Alpha Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>Exercise-1>Q 14
Why are ionisation energies of 5d elements greater than those of 3d elements?
EASY
JEE Main/Advance
IMPORTANT
Alpha Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>Exercise-1>Q 15
 Why do transition elements show variable oxidation states? 
EASY
JEE Main/Advance
IMPORTANT
Alpha Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>Exercise-1>Q 16
What is the most common oxidation state of first transition series?
MEDIUM
JEE Main/Advance
IMPORTANT
Alpha Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>Exercise-1>Q 17
Name the three factors which determine the stability of particular oxidation state.
HARD
JEE Main/Advance
IMPORTANT
Alpha Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>Exercise-1>Q 18
Explain why the E° value for the Mn3+/Mn2+ couple is much more positive than that for Cr3+/ Cr2+ or Fe3+/Fe2+. 
EASY
JEE Main/Advance
IMPORTANT
Alpha Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>Exercise-1>Q 20
Which of the following ions would form (i) coloured and (ii) colourless complexes in water? Cu2+, Zn2+, Ti3+, Ti+4, Cd2+, Mn2+