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Question:
Given below are two statements :
Statement (I) : Both metal and non-metal exist in p and d-block elements.
Statement (II) : Non-metals have higher ionisation enthalpy and higher electronegativity than the metals.
In the light of the above statements, choose the most appropriate answer from the option given below:
Given below are two statements :
Statement (I) : Both metal and non-metal exist in p and d-block elements.
Statement (II) : Non-metals have higher ionisation enthalpy and higher electronegativity than the metals.
In the light of the above statements, choose the most appropriate answer from the option given below:
Statement (I) : Both metal and non-metal exist in p and d-block elements.
Statement (II) : Non-metals have higher ionisation enthalpy and higher electronegativity than the metals.
In the light of the above statements, choose the most appropriate answer from the option given below:
Updated On: Nov 27, 2024
- Both Statement I and Statement II are false
- Statement I is false but Statement II is true
- Statement I is true but Statement II is false
- Both Statement I and Statement II are true
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The Correct Option is B
Solution and Explanation
Analysis of Statement (I): - The p-block elements contain both metals, non-metals, and metalloids. Examples include elements such as carbon (non-metal), lead (metal), and silicon (metalloid). - However, the d-block elements primarily consist of transition metals and do not contain non-metals. Therefore, it is incorrect to state that both metals and non-metals exist in the d-block.
- Hence, Statement (I) is false.
Analysis of Statement (II): - Non-metals generally have higher ionisation enthalpy and higher electronegativity than metals. This is due to the strong nuclear attraction for electrons in non-metals, making it more difficult to remove electrons (higher ionisation energy) and more favorable to gain electrons (higher electronegativity).
- Therefore, Statement (II) is true.
Conclusion: Statement I is false but Statement II is true.
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