Chemistry · 2021
JEE Main · 26 February 2021, Shift 2 · Q38
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. In the light of the above statements, choose…
Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R.
In the light of the above statements, choose the most appropriate answer from the options given below :
| Assertion A : | In $\displaystyle \mathrm{TlI}_3$, isomorphous to $\displaystyle \mathrm{CsI}_3$, the metal is present in +$\displaystyle 1$ oxidation state. |
| Reason R : | Tl metal has fourteen $\displaystyle f$ electrons in its electronic configuration. |
Official answer
(2)
Both A and R are correct but R is NOT the correct explanation of A
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JEE Main 2021 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.