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Question

Chemistry Question on p -Block Elements

The correct formula of borax is

A

Na2[B4O4(OH)3].9H2O{Na2[B4O4(OH)3].9 H2O}

B

Na2[B4O5(OH)4].8H2O{Na2[B4O5(OH)4].8 H2O}

C

Na2[B4O6(OH)5].7H2O{Na2[B4O6(OH)5].7 H2O}

D

Na2[B4O7(OH)6].6H2O{Na2[B4O7(OH)6].6 H2O}

Answer

Na2[B4O5(OH)4].8H2O{Na2[B4O5(OH)4].8 H2O}

Explanation

Solution

Formula of borax is Na2[B4O5(OH)4]⋅8H2ONa _{2}\left[ B _{4} O _{5}( OH )_{4}\right] \cdot 8 H _{2} O.