Chemistry - Complete Pblock- Question with Solution | TestHub
ChemistryComplete Pblock-p-Block 13,14Easy2 minQB
ChemistryEasymultiple choice
Select correct statement(s) about boric acid, H₃BO₃ :
Options:(select one or more)
Answer:
A, B, D
Solution:
H₃BO₃ is too weak for a sharp end point on direct titration (a polyol like glycerol must be added), so (C) is false. Na₂B₄O₇ + 2HCl + 5H₂O → 4H₃BO₃ + 2NaCl; H₃BO₃ → HBO₂ → H₂B₄O₇ → B₂O₃ on heating.
Stream:JEESubject:ChemistryTopic:Complete Pblock-Subtopic:p-Block 13,14
⏱ 2mℹ️ Source: QB
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