JEE Main 26 Feb 2021 Shift 2 Solved Paper

Section: Chemistry

Question : 32 of 89

Marks: +1, -0

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) In TII3, isomorphous to CSl3, the metal is present in +1 oxidation state.
Reason (R) Tl metal has fourteen f-electrons in the electronic configuration.
In the light of the above statements, choose the most appropriate answer from the options given below.

[26 Feb 2021 Shift 2]

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

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