In the reactions given below, identify the species undergoing oxidation and reduction: (i) H2S (g) + Cl2 (g) ? 2 HCl (g) + S (s) (ii) 3Fe3O4 (s) + 8 Al (s) ? 9 Fe (s) + 4Al2O3 (s) (iii) 2 Na (s) + H2 (g) ? 2 NaH (s

'x' gm of a compound A3B2C5 contains 'y' gm of A atoms

 

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how to represent the possible fischer projections for 2-bromohexane