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Statement-1: Down the group, electronega...

Statement-1: Down the group, electronegativity decreases from B to TI.
Statement-2: Electronegativity of an element depends on its electron affinity and ionisation energy.

A

Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for Statement-11

B

Statement-1 is True, Statement-2 is True, Statement-2 is NOT a correct explanation for Statement-11

C

Statement-1 is True, Statement-2 is False

D

Statement-1 is False, Statement-2 is True

Text Solution

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The correct Answer is:
B
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(a) Electropositive nature of the element(s) increases down the group and decreases across the period. (b) Electronegativity of the element decreases down the group and increases across the period. (c) Atomic size increases down the group and decreases across a period (left to right). (d) Metallic character increases down the group and decreases across a period. On the basis of the above trends of the Periodic Table, answer the following about the elements with atomic numbers 3 to 9. Name the most electronegative element.

(a) Electropositive nature of the element(s) increases down the group and decreases across the period. (b) Electronegativity of the element decreases down the group and increases across the period. (c) Atomic size increases down the group and decreases across a period (left to right). (d) Metallic character increases down the group and decreases across a period. On the basis of the above trends of the Periodic Table, answer the following about the elements with atomic numbers 3 to 9. Name the element which shows maximum valency.

(a) Electropositive nature of the element(s) increases down the group and decreases across the period. (b) Electronegativity of the element decreases down the group and increases across the period. (c) Atomic size increases down the group and decreases across a period (left to right). (d) Metallic character increases down the group and decreases across a period. On the basis of the above trends of the Periodic Table, answer the following about the elements with atomic numbers 3 to 9. Name the most electropositive element among them.

(a) Electropositive nature of the element(s) increases down the group and decreases across the period. (b) Electronegativity of the element decreases down the group and increases across the period. (c) Atomic size increases down the group and decreases across a period (left to right). (d) Metallic character increases down the group and decreases across a period. On the basis of the above trends of the Periodic Table, answer the following about the elements with atomic numbers 3 to 9. Name the element with smallest atomic size.

GRB PUBLICATION-PERIODIC TABLE-Reasoning Type
  1. Statement-1: Third ionisation energy of phosphorous is larger than sul...

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  2. Statement-1: First ionisation energy of O^(+)(g) is greater than that ...

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  3. Statement-1: Down the group, electronegativity decreases from B to TI....

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  4. Statement-1: Sc(Z = 21) is placed as d-block element. Statement-2: L...

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  5. Statement-1: Na^(+) and AI^(3+) are isoelectronic but the magnitude of...

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  6. Statement-1: The atomic radii of the elements of the oxygen family are...

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  7. Statement-1: Metallic character of first group metals increases down t...

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  8. Statement-1: Fluorine has a less negative electron gain enthalpy than ...

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  9. Statement-1: Fluorine forms only one oxoacid, HOF, Statement-2: Fluo...

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  10. Statement-1: Li and Mg shows diagonal relationship. Statement-2: Li...

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  11. Statement-1: The decreasing order of acidi character of CO(2),N(2)O(5)...

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  12. Statement-1: Oxidising property of F(2) is greater than Cl(2). State...

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  13. Statement-1: Generally, ionisation enthalpy increases from left to rig...

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  14. Statement-1: Boron has a smaller first ionisation enthalpy than beryll...

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  15. Assertion: Electron gain enthalpy always becomes less negative as we g...

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  16. Assertion: The first ionisation energy of Be is greater than that of B...

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  17. Statement-1: The acidic strength order of hydra acids is HF lt HCI lt ...

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  18. Statement-1: The decreasing order of acidic character of CO(2),N(2)O(5...

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  19. Statement-1: The ionisation potential of Sn is greater than Pb. Stat...

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  20. Statement-1: (I.E.)(n) of an atom is always greater than (I.E)(n-1) (n...

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