Na 2 B 4 O 7 .10H 2 O is correctly represented as:

Chemistry · JEE Advanced · NTA Exams — p-Block Elements

1. 2NaBO₂.Na₂B₂O₃.10H₂O
2. Na₂[B₄O₅(OH)₄].8H₂O
3. Na₂[B₄(H₂O)₄O₇].6H₂O
4. all of these

Answer

(B) Na 2 [B 4 O 5 (OH) 4 ].8H 2 O

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