The d-electron configuration of [Ru(en)₃ ]Cl₂
and [Fe(H₂O)₆]Cl₂ , respectively are :

Consider the following reaction :
The product 'P' gives positive ceric ammonium nitrate test. This is because of the presence of which of these –OH group(s)?

For the reaction
2A + 3B + $${3 \over 2}$$C $$ \to $$ 3P, which statement is correct ?

Complex A has a composition of H₁₂O₆Cl₃Cr. If the complex on treatment with conc.H₂SO₄ loses 13.5% of its original mass, the correct molecular formula of A is :
[Given: atomic mass of Cr = 52 amu and Cl = 35 amu]