JEE Mains Chemistry Past PapershardNUMERICAL

A B In a borax bead test under hot condition, a metal salt (one from the given) is heated at point BJEE Mains Chemistry Past Papers Chemistry Question

Question

A B In a borax bead test under hot condition, a metal salt (one from the given) is heated at point B of the flame, resulted in green colour salt bead. The spin-only magnetic moment value of the salt is …………. BM (Nearest integer) [Given atomic number of Cu = 29, Ni = 28, Mn = 25, Fe = 26]

Answer: .

💡 Solution & Explanation

Fe+3 will give green coloured bead when heated at point B. Number of unpaired e– in Fe+3 = 5  = 5.92 Nearest integer = 6

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