Solved papers for JEE Main & Advanced JEE Main Paper (Held On 11 April 2015)
done JEE Main Paper (Held On 11 April 2015) Total Questions - 2
question_answer1) When concentrated HCl is added to an aqueous solution of \[CoC{{l}_{2}},\]its colour changes from reddish pink to deep blue. Which complex ion gives blue colour in this reaction?
[JEE Main Online Paper (Held On 11 April 2015)]
question_answer2) Which of the following complex ions has electrons that are symmetrically filled in both \[{{t}_{2g}}\]and \[{{e}_{g}}\] orbitals?
[JEE Main Online Paper (Held On 11 April 2015)]