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NEET2016Chemistryp Block Elements (Group 13 & 14)Actual

AlF 3 is soluble in HF only in presence of KF . It is due to the formation of

Options

  1. AK 3 AlF 3 H 3
  2. BK 3 AlF 6
  3. CAlH 3
  4. DK AlF 3 H

Correct answer

B. K 3 AlF 6

Step-by-step solution

AlF 3 is soluble in the presence of KF due to the formation of soluble complex K 3 [ AlF 6 ] . AlF 3 + 3 KF → HF K 3 [ AlF 6 ]

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