Which of the following statements is/are correct?A. `AIF_(3)` is insoluble in anhydrous HF but dissolves in the presence of KFB. If `BF_(3)` gas is pased through `Na_(3)AIF_(6)` aluminium trifluoride is precipitateC. `B-F` bond length in `BF_(3)` is less than in `BF_(4)^(-)`D. A mixture of dilute NaOH and aluminium pieces is used to open drain.

Which of the following statements is/are correct?A. `AIF_(3)` is insol

1.	Which of the following statements is/are correct?A. `AIF_(3)` is insoluble in anhydrous HF but dissolves in the presence of KFB. If `BF_(3)` gas is pased through `Na_(3)AIF_(6)` aluminium trifluoride is precipitateC. `B-F` bond length in `BF_(3)` is less than in `BF_(4)^(-)`D. A mixture of dilute NaOH and aluminium pieces is used to open drain.
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