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TS EAMCET · Chemistry · p Block Elements (Group 15, 16, 17 & 18)

The elements with the highest and the lowest enthalpy of atomisation respectively, for first row transition elements are:

  1. A Sc, Zn
  2. B  TiNi 
  3. C V, Zn
  4. D Cr, Mn
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Answer & Solution

Correct Answer

(A) Sc, Zn

Step-by-step Solution

Detailed explanation

The enthalpy of atomisation is the enthalpy change that accompanies the total separation of all atoms in a chemical substance. The extent of metallic bonding an element undergoes decides the enthalpy of atomization. The more extensive the metallic bonding of an element, the more…