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NTA Abhyas NEET2020ChemistryGeneral Principles and Processes of Isolation of MetalsPractice

The Colemnite mineral is represented by

Options

  1. AC a [ B 3 O 4 ( O H ) 2 ] . 2 H 2 O
  2. BC a 2 B 6 O 11 . 5 H 2 O
  3. CC a ( O H ) 2
  4. DN a 2 B 4 O 7 . 2 H 2 O

Correct answer

B. C a 2 B 6 O 11 . 5 H 2 O

Step-by-step solution

Colemnite is a white crystalline mineral of boron, occuring as glassy prism having composition as C a 2 B 6 O 11 . 5 H 2 O .

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