85. The correct order of acidic statement of
the following is -
(a) So, P₂037 sio 23 A1 203
(6) P2037 502> sio₂ > Aiso₂
(e) P₂03 > A ₂037502>SiO2
(d) Aloz > sio > P203) Si02
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Among Al2O3, SiO2, P2O3 and SO2 the correct order of acid strength is. Al2O3 is amphoteric. SiO2 is slightly acidic whereas P2O3 and SO2 are the anhydrides of the acids H3PO3 and H2SO3.
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