Qualitative Analysis - Result Question 47

####50. Fe3+SCN(excess)  Blood red (A)

F(excess)  Colourless (B)

Identify A and B.

(i) Write IUPAC name of A and B.

(ii) Find out spin only magnetic moment of B.

(2005)

Show Answer

Solution:

  1. (i) Fe3++3SCNFe(SCN)3 (blood red colouration) Iron (III) thiocyanate

Fe(SCN)3+F(excess) [FeF6]3 (Hexafluoroferrate)  B+3SCN

(ii) Magnetic moment (μS)=n(n+2)BM

=35BM=5.92BM



जेईई के लिए मॉक टेस्ट

एनसीईआरटी अध्याय वीडियो समाधान

दोहरा फलक