The Question is from neet-chemistry , and it was created by the author P SRAVAN KUMAR

Question

Choose the correct statement.

P SRAVAN KUMAR · Accepted Answer

## CORE INFORMATION
✓ **Answer**: C
## CONCEPT FRAMEWORK
	**Primary Concept**: Properties of Transition Elements
	**Related Topics**: Electronic configuration, Oxidation states, Catalysis, Metallic bonding, Group trends
	**Prerequisites**: Knowledge of the periodic table, understanding of transition metals and their electronic configuration.
## SOLUTION PATHWAY
**Given Information**:
	Statement options about properties of transition metals

**Method & Steps**:
	1.	Evaluate each statement based on known properties of transition elements.
		Reasoning: Transition elements have unique properties due to their d-orbital electrons.
	2.	Analyze statement A: Transition metals typically have high melting points due to strong metallic bonding involving d-electrons.
		Working: Metallic bonds are strong due to electron sharing
		Key Point: Statement A is incorrect.
	3.	Analyze statement B: Transition metals and their compounds are known for catalytic properties due to their variable oxidation states and ability to provide a surface for reactions.
		Working: Catalytic activity is a key feature.
		Key Point: Statement B is incorrect.
	4.	Analyze statement C: Transition elements exhibit variable oxidation states due to the involvement of d-electrons in bonding.
		Working: d-electron involvement lead to variable oxidation states
		Key Point: Statement C is correct.
	5.	Analyze statement D: The inert pair effect is primarily observed in p-block elements, not transition elements.
		Working: Inert pair effect is a property of p-block elements
		Key Point: Statement D is incorrect.

## OPTION ANALYSIS
[A] :x: Transition elements have high melting points due to strong metallic bonding.
[B] :x: Transition elements and their compounds are well known for their catalytic activity.
[C] ✓: Transition elements exhibit variable oxidation states because of involvement of their d-electrons in bonding.
[D] :x: The inert pair effect is a property of p-block elements, not transition metals.
## LEARNING AIDS
	**Common Mistakes**:
		1.[Confusing melting point trends]: [Remember that transition metals generally have high melting points due to their metallic bonding.]
		2.[Misunderstanding catalytic activity]: [Recall that transition metals are well-known for their use as catalysts.]
	**Quick Tips**:
		1.[Focus on d-electrons]: [The properties of transition elements are largely due to the involvement of their d-electrons.]
		2.[Know the key properties]: [Memorize key properties like high melting points, catalytic activity, and variable oxidation states.]

P SRAVAN KUMAR · Answer

Transition elements have low melting points.

P SRAVAN KUMAR · Answer

Transition elements do not have catalytic activity.

P SRAVAN KUMAR · Answer

The correct Option is "Transition elements exhibit variable oxidation states."

P SRAVAN KUMAR · Answer

Transition elements show inert pair effect.

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