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Match the species given in Column I with properties given in Column II `{:(,"Column-I",,"Column-II"),("A.","Diborane",1.,"Used as a flux for soldering metals"),("B.","Gallium",2.,"Crystalline form of silica"),("C.","Borax",3.,"Banana bonds"),("D.","Aluminossilicate",4.,"Low melting, high boiling, useful for measuring high temperatures"),("E.","Quartz",5.,"Used as catalyst in petrochemical industries"):}` |
Answer» A. `BH_(3)` is unstable forms diborane `B_(2)H_(6)` by 3 centre-2 electron bond show banana bond B. Gallium with low melting point and high boiling point makes it useful to measure high temperatures C. Borax is used as a flux for soldering metals for heat, scratch resistant coating in earthenwares D. Alumino silicate used as catalyst in petrochemical industries E. Quartz, is a crystalline form of silica. |
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