See image | AITS & Test Series — Chem-Mantra

Name: JEE Advanced Chemistry
Price: 7999 INR
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Question

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Answer: ABD

💡 Solution & Explanation

2 3 3 2 H O H BO HBO   2 3 3 2 3 2 3 3 2 4 7 3H O 5H O 2H BO B O 4H BO H B O     H2B2O3 is not an anhydride.

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