atic ▁i od ides . ▁ ▁It ▁also ▁cle aves ▁C – Si ▁b onds . ▁▁ ▁will ▁also ▁add ▁to ▁the ▁double ▁bond ▁in ▁al ken es ▁to ▁give ▁ch lor o - iod o ▁al kan es . ▁R CH = CH R ′ ▁+ ▁I Cl ▁→ ▁R CH ( I ) – CH ( Cl ) R ′ ▁When ▁such ▁re actions ▁are ▁conducted ▁in ▁the ▁presence ▁of ▁sod ium ▁az ide , ▁the ▁i odo - az ide ▁R CH ( I ) – CH ( N 3 ) R ′ ▁is ▁obtained . ▁ ▁The ▁W ij s ▁solution , ▁i od ine ▁mon och lor ide ▁dissol ved ▁in ▁ac etic ▁acid , ▁is ▁used ▁to ▁determine ▁the ▁i od ine ▁value ▁of ▁a ▁subst ance . ▁ ▁It ▁can ▁also ▁be ▁used ▁to ▁make ▁pure ▁i od ates , ▁by ▁react ing ▁with ▁a ▁ch lor ate ▁and ▁re le asing ▁ch lor ine ▁gas ▁as ▁by product . ▁ ▁References ▁ ▁Category : I od ine ▁comp ounds ▁Category : Ch lor ides ▁Category : Inter hal ogen ▁comp ounds ▁Category : O x id izing ▁agents <0x0A> </s> ▁Av ra am ▁ ▁El ie zer ▁Ben aro ya ▁( ; ▁; ▁; ▁; ▁; ▁▁ 1 8 8 7 ▁– ▁ 1 6 ▁May ▁ 1 9 7 9 ) ▁was ▁a ▁Jewish ▁social ist , ▁member ▁of ▁the ▁Bulgar ian ▁Social ▁Democratic ▁Work ers ' ▁Party ▁( N arrow ▁Social ists ),