Q9 of 26 Page 1

(i) write down the IUPAC name of following complex:

[Co(NH3)5(NO2)](NO3)2]


(ii) write down the formula for following complex:


Potassium tetracyanidonickelate(II)


(i) Pentaaminenitrocobalt(III) nitrate.

There are two ligands amine and nitro, naming id done in alphabetical order. And the cobalt is present in +2 state.


(ii) K2[Ni(CN)4]


More from this chapter

All 26 →
7

following reactions occur at cathode during the electrolysis of aqueous sodium chloride solution:

Na+(aq) + e- →Na(s) E° = -2.71V


H+(aq) + e- → H2 (g) E° = 0.00V


(a)On the basis of their standard reduction electrode potential (E°) value, which reaction is feasible at cathode and why?


(b) why does the cell potential of mercury cell remains constant throughout its life?


 8

Why do the transition elements have higher enthalpies of atomization? In 3d series (Sc to Zn), which element has the lowest enthalpy of atomization and why?

 10

Name the reagents used in following reactions :

(i)


(ii) CH3-COOH ClCH2COOH


 11

Calculate the amount of CaCl2 (molar mass = 111g/mol) which must be added to 500g of water to lower its freezing point by 2K assuming CaCl2 is completely disassociated. (Kf for water is = 1.86 Kg K/mol)