Which of the following statements is incorrec | vedclass

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(C) $BF_3$ does not exist as a dimer because the fluorine atoms are small and cannot effectively bridge the boron atoms due to steric hindrance and th

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$BF_3$ exists as a dimer.

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(C) $BF_3$ does not exist as a dimer because the fluorine atoms are small and cannot effectively bridge the boron atoms due to steric hindrance and the lack of vacant orbitals in fluorine to form a stable bridge. $BCl_3$,$BBr_3$,and $BI_3$ are stronger Lewis acids than $BF_3$ due to the back-bonding effect in $BF_3$. Ammonal is indeed a mixture of aluminum powder and ammonium nitrate used as an explosive. $BF_3$ is a covalent molecule and does not ionize,hence it does not conduct electricity in the liquid state.

Which of the following statements is incorrect?

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