Chemistry · 2026
JEE Main · 23 January 2026, Shift 1 · Q60
Given below are two statements: Statement I: [ CoBr_4]^2- ion will absorb light of lower energy than [ CoCl_4]^2- ion. Statement II: In [ CoI_4]^2-…
Given below are two statements :
Statement I : $\displaystyle \left[\mathrm{CoBr}_4\right]^{2-}$ ion will absorb light of lower energy than $\displaystyle \left[\mathrm{CoCl}_4\right]^{2-}$ ion.
Statement II : In $\displaystyle \left[\mathrm{CoI}_4\right]^{2-}$ ion, the energy separation between the two set of d-orbitals is more than $\displaystyle \left[\mathrm{CoCl}_4\right]^{2-}$ ion.
In the light of the above statements, choose the correct answer from the options given below :
Official answer
From NTA’s final answer key for this paper.
(4)
Statement I is true but Statement II is false
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JEE Main 2026 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.