The correct formula of borax is

  • [AIIMS 2016]
  • A

    $Na_2[B_4O_4(OH)_3].9 H_2O$

  • B

    $Na_2[B_4O_5(OH)_4].8 H_2O$

  • C

    $Na_2[B_4O_6(OH)_5].7 H_2O$

  • D

    $Na_2[B_4O_7(OH)_6].6 H_2O$

Similar Questions

Given below are two statements: one is labelled as Assertion $A$ and the other is labelled as Reason $R$.

Assertion $A$ : Boric acid is a weak acid

Reason $R$ : Boric acid is not able to release $H ^{+}$ion on its own. It receives $OH ^{-}$ion from water and releases $H ^{+}$ion.

In the light of the above statements, choose the most appropriate answer from the options given below.

  • [JEE MAIN 2022]

Anhydrous $AlC{l_3}$ is obtained from

$Be ( OH )_2$ react with $Sr ( OH )_2$ to yield an ionic salt. Choose the incorrect option related to this reaction from the following:

  • [JEE MAIN 2023]

When aqueous solution of borax is acidified with hydrochloric acid, a white crystalline solid is formed which is soapy to touch. Is this solid acidic or basic in nature ? Explain. 

Boric acid is an acid because its molecule