1.

`{:(,"Column I",,"Column II"),((A),Bi^(3+) rarr (BiO)^(+),(p),"Heat"),((B),[AlO_(2)]^(-) rarr Al(OH)_(3),(q),"Hydrolysis"),((C ),SiO_(4)^(4-) rarr Si_(2)O_(7)^(6-),(r ),"Acidification"),((D),(B_(4)O_(7))^(2-)rarr [B(OH)_(3)],(s),"Dilution by water"):}`

Answer» Correct Answer - (A-q; B-s ; C-p,r; D-q,r)
A-q
`Bi^(3+) +H_(2)O overset("Hydrolysis")hArr underset("Bismuth oxycation")(BiO^(+)) + 2H^(+)`
`B-s`
`AlO_(2)^(-) + 2H_(2)O overset("Dilution")underset("with water")rarr Al(OH)_(3) + OH^(-)`
C-p, r
`underset("Orthosilicate")(2SiO_(4)^(4-)) + 2H^(+) overset((i)Acidification)underset((ii) Delta)rarrunderset("Pyrosilicate")(Si_(2)O_(7)^(6-)) + H_(2)O`
D-q, r
`B_(4)O_(7)^(2-)+ 2H^(+) overset("Acidification")rarr H_(2)B_(4)O_(7)`
`H_(2)B_(4)O_(7) + 5H_(2)O overset("Hydrolysis")rarr 4H_(3)BO_(3)`


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