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- (b) 1.9-BBN 2. H₂O2, KOHd) H3C CH 3 2 C₂H,MgBr H₂O*(a) NO₂(g) + N₂O(g) → 3NO(g) [NO]³ [NO₂] + [N₂O] O [NO₂] + [N₂O] [NO]³ [NO₂][N₂0] [NO]³ [NO]³ [NO₂][N₂O] (b) CaSO3(s) CaO(s) + SO₂(g) O [SO₂] [CaSO3] [CaO] + [SO] 1 [SO₂] [CaSO3] [CaO][SO] © [CaO][SO_] [CaSO3] O [CaO] + [SO] [CaSO3] (c) NICO3(s) Ni²+ (aq) + CO²(aq) O [Ni²+][co] [NiCO3] [NiCO3] [Ni²+ ][co] O [Ni²+] + [Co-] [NiCO3] [NiCO3] [Ni²+] + [co] O [Ni²+ ][co] O 2+ [Ni²+ ][co]