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P Block Elements question

2021 · 26 Feb · Shift 2 · Q5
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  5. /2021 · 26 Feb · Shift 2 · Q5

P Block Elements question

2021 · 26 Feb · Shift 2 · Q5

JEE MainChemistryP Block ElementsMCQ+4 / −1
Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : In TlI3TlI_3TlI3​, isomorphous to CsI3CsI_3CsI3​, the metal is present in +1 oxidation state. Reason R : TlTlTl metal has fourteen fff electrons in its electronic configuration. In the light of the above statements, choose the most appropriate answer from the options given below :
  1. A
    A is correct but R is not correct
  2. B
    A is not correct but R is correct
  3. C
    Both A and R are correct but R is NOT the correct explanation of A
  4. D
    Both A and R are correct and R is the correct explanation of A
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