fur ▁t etra flu or ide : . ▁S ▁ ▁+ ▁ 4 ▁V F 5 ▁→ ▁▁▁▁ 4 ▁V F 4 ▁ ▁+ ▁ ▁SF 4 ▁ ▁Like ▁other ▁elect roph il ic ▁metal ▁hal ides , ▁it ▁hydro ly zes , ▁first ▁to ▁the ▁o xy hal ide : ▁V F 5 ▁ ▁+ ▁ ▁H 2 O ▁▁ ▁→ ▁▁ ▁V OF 3 ▁ ▁+ ▁ 2 ▁H F ▁Then ▁to ▁the ▁binary ▁ox ide : ▁ 2 ▁V OF 3 ▁+ ▁ 3 ▁H 2 O ▁▁ ▁→ ▁▁ ▁V 2 O 5 ▁ ▁+ ▁▁ 6 ▁H F ▁H ydro ly s is ▁is ▁acceler ated ▁in ▁the ▁presence ▁of ▁base . ▁Despite ▁its ▁t endency ▁to ▁hydro ly ze , ▁it ▁can ▁be ▁dissol ved ▁in ▁alco h ols . ▁ ▁It ▁is ▁a ▁Lewis ▁acid , ▁as ▁illustrated ▁by ▁its ▁formation ▁of ▁the ▁hex a flu or ovan ad ate : ▁V F 5 ▁ ▁+ ▁ ▁K F ▁▁ ▁→ ▁▁ ▁K VF 6 ▁ ▁Van ad ium ▁p enta flu or ide ▁is ▁a ▁we aker ▁acid ▁and ▁mainly ▁under go es ▁ox id ative ▁and ▁flu or in ating ▁re actions . ▁ ▁The ▁comp ound ▁flu or in ates ▁uns atur ated ▁poly flu oro ole f ins ▁into ▁poly flu oro alk anes . ▁▁ ▁The ▁comp ound ▁dissol ves ▁without ▁reaction ▁in ▁liquid ▁Cl 2 ▁and ▁Br 2 . ▁▁ ▁V F 5 ▁is ▁moder ately ▁sol ub le ▁in