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- IIT JAM
- Chemistry (CY)
104. hpo, and h,a,o, are: (1) both tribasic (2)hpo, dibasic and h,a0, tribasic (3) h,po, tribasic and ha,o, dibasic (4) both are dibasic in which h" is bonded t
104. HPO, and H,A,O, are: (1) both tribasic (2)HPO, dibasic and H,A0, tribasic (3) H,PO, tribasic and HA,O, dibasic (4) Both are dibasic in which H" is bonded to P and As
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Sanjay 1 Best Answer
The preparation of As(OH)3 involves a slow hydrolysis of arsenic trioxide in water. Addition of base converts arsenous acid to the arsenite ions [AsO(OH)2]−, [AsO2(OH)]2−, and [AsO3]3−. H3PO3 is dibasic because 1H is directly attached with P. so , option b is correct answer