[Ru(bpy)3]2+ can undergo chemical electron transfer reaction and emit light which is known as chemiluminescence. The...
[Ru(bpy)3]2+ can undergo chemical electron transfer reaction and emit light which is known as chemiluminescence.
The chemical reaction that produces the chemiluminescence in this demonstration involves the reduction of Ru(bpy)32+and ammonium persulphate [(NH4)2S2O8] by magnesium metal.
[Ru(bpy)3]2+ + e- [Ru(bpy)3]+ (1) S2O82- + e- SO42- + SO4 (2)
Production of the electronic excited-state complex occurs via an electron-transfer reaction involving the strong oxidant SO4•- that is produced as an intermediate in reaction (2), where *Ru(bpy)32+ is the excited state species able to emit light.
[Ru(bpy)3]+ + SO4 [Ru(bpy)3]2+* + SO42- (3)
The Chemiluminescence would not occur is Mg metal was absent. Explain the role of the Mg metal in this process.
Homework Answers
strong chemiluminicense band will not appear without intersytem crossing of Mg from triplet state to singlet state.
Mg metal is essential to proceed above reaction.check the
reaction in image.
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[Ru(bpy)3]2+ can undergo chemical electron transfer reaction and
emit light which is known as chemiluminescence.
The...
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