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- Engineering
- Which one of the following complexes is violet in colour?Option: 1 <img alt="\mathrm{Fe_{4}\left [ Fe\left ( CN \right )_{6} \right ]_{3}\cdot H_{2}O}" src="https://entrancecorner.codecogs.com/gif.latex?%5Cmathrm%7BFe_%7B4%7D%5Cleft%20%5B%20Fe
- #Joint Entrance Examination Main
- #Chemistry
- #Engineering
- #Purification and Characterisation of Organic Compounds
Which one of the following complexes is violet in colour?
Option: 1 ![\mathrm{Fe_{4}\left [ Fe\left ( CN \right )_{6} \right ]_{3}\cdot H_{2}O}](https://learn.careers360.com/latex-image/?%5Cmathrm%7BFe_%7B4%7D%5Cleft%20%5B%20Fe%5Cleft%20%28%20CN%20%5Cright%20%29_%7B6%7D%20%5Cright%20%5D_%7B3%7D%5Ccdot%20H_%7B2%7DO%7D)
Option: 2 ![\mathrm{\left [Fe\left ( CN \right )_{5}NOS \right ]^{4-}}](https://learn.careers360.com/latex-image/?%5Cmathrm%7B%5Cleft%20%5BFe%5Cleft%20%28%20CN%20%5Cright%20%29_%7B5%7DNOS%20%5Cright%20%5D%5E%7B4-%7D%7D)
Option: 3 ![\mathrm{\left [Fe\left ( SCN \right )_{6} \right ]^{4-}}](https://learn.careers360.com/latex-image/?%5Cmathrm%7B%5Cleft%20%5BFe%5Cleft%20%28%20SCN%20%5Cright%20%29_%7B6%7D%20%5Cright%20%5D%5E%7B4-%7D%7D)
Option: 4 ![\mathrm{\left [Fe\left ( CN \right )_{6} \right ]^{4-}}](https://learn.careers360.com/latex-image/?%5Cmathrm%7B%5Cleft%20%5BFe%5Cleft%20%28%20CN%20%5Cright%20%29_%7B6%7D%20%5Cright%20%5D%5E%7B4-%7D%7D)
Answers (1)
The violet coloured complex among the ones given is .
It is obtained from sodium nitroprusside while detecting the presence of sulphur in organic compound .
Hence ,the correct answer is Option (2)
View full answer
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