English

Assertion (A): Smaller the size of an atom greater is its electronegativity. Reason (R): Electronegativity is the tendency of an atom to attract shared pair of electrons towards itself in a molecule.

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Question

Assertion (A): Smaller the size of an atom greater is its electronegativity.

Reason (R): Electronegativity is the tendency of an atom to attract shared pair of electrons towards itself in a molecule.

Options

  • Both A and R are true and R is the correct explanation of A.

  • Both A and R are true but R is not the correct explanation of A.

  • A is true but R is false.

  • A is false but R is true.

MCQ
Assertion and Reasoning
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Solution

Both A and R are true but R is not the correct explanation of A.

Explanation:

Both statements are true. A smaller atom generally attracts a shared electron pair more strongly, but R only defines electronegativity; it does not explain the effect of atomic size.

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Chapter 1: Periodic Table, Periodic Properties and Variations of Properties - EXERCISE-1 [Page 19]

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S.P. Singh Concise Chemistry [English] Class 10 ICSE
Chapter 1 Periodic Table, Periodic Properties and Variations of Properties
EXERCISE-1 | Q (A) 21. | Page 19
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