AIF 3 is insoluble in anhydrous HF but it becomes soluble in presence of little amount of KF. Addition of boron trifluoride to the resulting solution causes reprecipitation of AIF 3 . Explain with balanced chemical equations.

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Navjyot Kalra · Answer

HF is weakly dissociated, while KF is highly dissociated giving a high concentration of F - which leads to the formation of soluble AIF 6 3- AIF 3 + 3 KF &rarr; K 3 [AIF 6 ] Since BF 3 is more acidic than AIF 3 , it pulls out F - from AIF 6 3- reprecipitating AIF 3. K 3 [AIF 6 ] + 3BF 3 &rarr; 3KBF 4 + AIF 3 &darr;

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AIF 3 is insoluble in anhydrous HF but it becomes soluble in presence of little amount of KF. Addition of boron trifluoride to the resulting solution causes reprecipitation of AIF 3 . Explain with balanced chemical equations.

AIF₃ is insoluble in anhydrous HF but it becomes soluble in presence of little amount of KF. Addition of boron trifluoride to the resulting solution causes reprecipitation of AIF₃. Explain with balanced chemical equations.

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AIF 3 is insoluble in anhydrous HF but it becomes soluble in presence of little amount of KF. Addition of boron trifluoride to the resulting solution causes reprecipitation of AIF 3 . Explain with balanced chemical equations.

AIF3 is insoluble in anhydrous HF but it becomes soluble in presence of little amount of KF. Addition of boron trifluoride to the resulting solution causes reprecipitation of AIF3. Explain with balanced chemical equations.

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AIF₃ is insoluble in anhydrous HF but it becomes soluble in presence of little amount of KF. Addition of boron trifluoride to the resulting solution causes reprecipitation of AIF₃. Explain with balanced chemical equations.