Chemistry-Transition Elements
NEET Chemistry Transition Elements MCQ Question
Type: MCQ-fact-Hard-Class 12
What is primarily responsible for the higher enthalpies of atomisation in transition elements?
A
Large number of unpaired electrons
B
Presence of f orbitals
C
Low ionic charges
D
Large ionic sizes
Correct Answer
Option A
Detailed Explanation
The higher enthalpies of atomisation in transition elements are due to the large number of unpaired electrons in their atoms, which leads to stronger interatomic interactions and bonding, as mentioned in the NCERT context.
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