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Grade: 12

                        

sodium thiocyanide reacts with FeCl3 and gives

6 years ago

Answers : (2)

Vasantha Kumari
askIITians Faculty
38 Points
							

Sodium cyanide is an organic compound composed of sodium, carbon and nitrogen.

Na + C + N ® NaCN

When sodium cyanide reacts with Fe3+ ions they react with sodium ferrocyanide giving Prussian blue or green colour due to the formation of ferric ferrocyanide

2NaCN + FeSO4 ¾® Na2 SO4+ Fe(CN)2

Fe(CN)2 + 4NaCN ¾® Na4 [Fe(CN)6]

Sodium ferrocyanide

3Na4[Fe(CN)6]+ 4Fe3+ ¾® Fe4 [Fe(CN)6]3 + 12Na+

Ferric ferrocyanide

(Prussian blue)

Thanks & Regards,

Vasantha Sivaraj,

askIITians faculty.

6 years ago
pogula sumanth
35 Points
							thank u
						
6 years ago
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