What happens when : (i) Carbon dioxide is passed through an aqueous solution of sodium metaborate. (ii) Boric acid is heated with ethyl alcohol in presence of concentrated sulphuric acid.

What happens when : (i) Carbon dioxide is passed through an aqueous so

1.	What happens when : (i) Carbon dioxide is passed through an aqueous solution of sodium metaborate. (ii) Boric acid is heated with ethyl alcohol in presence of concentrated sulphuric acid.
Answer» (i) A mixture of sodium tetraborate and sodium carbonate a formed. `underset(" Sod. Metaborate ")(4NaBO_(2))+CO_(2) rarr underset(" Sod. Tetraborate ")(Na_(2)B_(4)O_(7)) + underset(" Sod. Carbonate ")(Na_(2)CO_(2))` (ii) Triethylborate is formed. `H_(3)NO_(3)+3C_(2)H_(5)OH overset("Conc." H_(2)SO_(4))rarrunderset("Triethylborate")(B(OC_(2)H_(5))_(3)) + 3H_(2)O`

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What happens when : (i) Carbon dioxide is passed through an aqueous solution of sodium metaborate. (ii) Boric acid is heated with ethyl alcohol in presence of concentrated sulphuric acid.

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