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Chemistry · Classification of Elements and Periodicity in Properties

हिन्दी

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): The naming of new elements with atomic numbers greater than 100 is systematically done using numerical roots for 0 to 9. Reason (R): The root for digit 3 is 'quad' and for digit 4 is 'tri' in IUPAC nomenclature. In the light of the above statements, choose the correct answer from the options given below:

  1. A
    Both (A) and (R) are true and (R) is the correct explanation of (A).
  2. B
    Both (A) and (R) are true but (R) is NOT the correct explanation of (A).
  3. C
    (A) is true but (R) is false.
  4. D
    (A) is false but (R) is true.
View Answer & Solution

Correct answer · Option C

(A) is true but (R) is false.

Explanation

Assertion is true as numerical roots are used for \( Z > 100 \). However, Reason is false because root for 3 is 'tri' and for 4 is 'quad'.
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