Related InterviewSolutions

• `(Me)_(2) SiCl_(2)` on hydrolysis will produce.A. `(Me)_(2)Si(OH)_(2)`B. `(Me)_(2)Si = O`C. .D. `Me_(2)SiCl(OH)`
• Boric acid is used in carrom boards for smooth gliding of pawns becauseA. `H_(3)BO_(3)` molecules ar loosely chemically bonded and hence soft.B. Its low density makes its fluffy.C. It si chemically inert with plywood.D. H-bonding in `H_(3)BO_(3)` give it a layered structure.
• Boric acid is polymeric due to :
• Boric acid is weak monobasic acid and acts as Lewis acid
• Alumina is.
• Alumina is not used as :A. Refractory materialB. A medium in chromatographyC. AbrasiveD. White pigment
• On strong heating boric acid yieldsA. BB. `B_(2)`C. `B_(2)O_(3)`D. `B_(2)H_(6)`
• What is not true about borax ?A. Molecular formula is `Na_(2)B_(4)O_(7). 10H_(2)O`.B. Crystallic borax contains tetranuclear unit of `[B_(4)O_(5)(OH)_(4)]^(2-)`.C. It hydrolyses to give an acidic solution.D. White crystalline solid.
• The electrolysis of pure alumina is not feasible because of its _____ nature.
• Borazole is aromatic is nature. Nitrigen contributes `pi` - electrons to the system.