Coordination Co...

Which of the following complex ions will not show optical activity?

No. of $$5$$ membered ring in $${[(Ca(EDTA)]}^{-2}$$ is:

Which of the following a bidentate mono iron ligands?

In the complex ion $$ML_{6}^{n+}, M^{n+}$$ has five d-electrons and $$L$$ is weak field ligand. According to crystal field theory the magnetic properties of the complex ion corresponds to how many unpaired electrons?

How many number of unpaired electrons is present in the complex Hg[Co(SCN)$$_4]$$?

Which of the following complex will give white precipitate with $$BaCl_2(aq)$$

Which of the following is not correctly matched ? 

Hydrogen peroxide oxidises $$\left[ Fe\left( CN \right) _{ 6 } \right] ^{ 4- }$$ to $$\left[ Fe\left( CN \right) _{ 6 } \right] ^{ 3- }$$ in acidic medium but reduces $$\left[ Fe\left( CN \right) _{ 6 } \right] ^{ 3- }$$ to $$\left[ Fe\left( CN \right) _{ 6 } \right] ^{ 4- }$$ in alkaline medium. The other products formed are, respectively:

$${ \left[ Ni{ (CN) }_{ 4 } \right]  }^{ 2- }$$ is isostructural with:

Hybridization of central atoms in the molecules $$N(CH_3)_3$$ and $$N(SiH_3)_3$$ respectively are: