Question

equivalent wt of B(OH)3 is​

Answer 1

Answer:

Mol wt / 1

Explanation:-

Okay, boron attached with three hydroxyl group, then, n - factor = 3 and we know, equivalent weight is the just ratio of molecular weight and n- factor. this way, equivalent weight of B(OH)3 = mol wt/3 [ but it's totally wrong]

yeah, equivalent weight of B(OH)3 ≠ mol weight /3

it is because , B(OH)3 is monobasic acid. and when we dissolve in water boric acid [ I.e., B(OH)3 ] accept one OH^- and forms B[OH]4^-

reaction is..

it's clear that , boric acid donates one proton (H^+) so, it is monobasic acid.

hence, n-factor = 1

then, equivalent weight = Mol weight/1

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