Which one of the following characteristics of the transition... | CHEMISTRY - GENERAL PROPERTIES OF THE TRANSITION ELEMENTS (D-BLOCK) | SolveeIt | Solveeit

Today, October 3

Question

Which one of the following characteristics of the transition metals is associated with their catalytic activity?

A

Colour of hydrated ions.

B

Variable oxidation states.

C

High enthalpy of atomization.

D

Paramagnetic behaviour.

Answer

High enthalpy of atomization.

Explanation

Solution

(1), (2) and (4) given hydrated FeCl3 and (3) yields anhydrous FeCl3 according to the reaction,

2Fe + 3Cl2 $\xrightarrow { \Delta }$ 2FeCl3 (anhydrous).