NTA Abhyas JEE Main2020ChemistryCoordination CompoundsPractice
When A g N O 3 solution is added in excess to 1M solution of C o C l 3 .X N H 3 one mole of A g C l is formed? What is the value of ' X ' ? (Assume that the co-ordination number is 6)
Options
- A1
- B4
- C3
- D2
Correct answer
B. 4
Step-by-step solution
CoCl 3 .XNH 3 gives 1 mole of AgCl. So one Cl – ion is outside the complex. So 2Cl – and 4NH 3 satisfy coordination number 6. From the given data the possible complex is [ Co ( NH 3 ) 4 Cl 2 ] Cl So x i s 4