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Questions  

Statement 1 : H3BO3 is monobasic Lewis acid but salt Na3BO3   exists.

Statement 2 : H3BO3 reacts with NaOH to give Na3BO3.

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By Expert Faculty of Sri Chaitanya
a
Both Statement 1 and Statement 2 are true
b
Statement 1 is true and Statement 2 is false
c
Statement 1 is false and Statement 2 is true.
d
Both Statement 1 and Statement 2 are false.

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detailed solution

Correct option is B

(1) H3BO3 in it self does not  contain any replaceable hydrogen atom  But on interaction with water a hydrogen ion is liberated by accepting OH- ionHence it is a monobasic acid Due to the presence of empty orbital on Boron atom , It  readily accepts the electron pair and acts as a Lewis acid(II) BOH3 +  NaOH  →  Na BOH4-


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