Assertion: the `4f^(-)` and `5f^(-)` inner transition series of elements are placed separately at the bottom of the modern periodic table. Reason : (i) Position of f-block elements prevents the undue expansion of the mordern periodic table, ie, maintains its structure. (ii) Position of f-block elements preserves the principle of classification by keeping elements with similar properties in a single column.A. Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for Statement-5B. Statement-1 is True, Statement-2 is True, Statement-2 is NOT a correct explanation for Statement-5C. Statement-1 is True, Statement-2 is FalseD. Statement-1 is False, Statement-2 is True

Assertion: the `4f^(-)` and `5f^(-)` inner transition series of elemen

1.	Assertion: the `4f^(-)` and `5f^(-)` inner transition series of elements are placed separately at the bottom of the modern periodic table. Reason : (i) Position of f-block elements prevents the undue expansion of the mordern periodic table, ie, maintains its structure. (ii) Position of f-block elements preserves the principle of classification by keeping elements with similar properties in a single column.A. Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for Statement-5B. Statement-1 is True, Statement-2 is True, Statement-2 is NOT a correct explanation for Statement-5C. Statement-1 is True, Statement-2 is FalseD. Statement-1 is False, Statement-2 is True
Answer» Correct Answer - A

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