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At  300^{\circ}C,FeCl_{3}:

Option: 1

Decomposes into FeCl_{2}\; and\; Cl_{2}

         


Option: 2

 Decomposes into  Fe\; and\; Cl_{2}


Option: 3

Sublimes to give liquid FeCl_{3}


Option: 4

 Sublimes to give gaseous dimer  \left ( FeCl_{3} \right )_{2}


Answers (1)

best_answer

 

Test of Ferric -

Fe(OH)_3 + 3H^{+} \rightarrow Fe^{3+} +3H_2O

Fe^{3+} +6SCN^{-} \rightarrow [Fe(SCN)_6]^{3-} (deep\ red) with K4[Fe(CN)6] .Fe3+ gives Prussian blue color

- wherein

Fe^{3+} + K_{4}[Fe(CN)_6]\rightarrow KFe[Fe(CN)_6] as \:Fe_4[Fe(CN)_6]_3

 

 

 

 

 

True statement, 2FeCl_{3}---\left ( FeCl_{3} \right )_{2}\left ( g \right )

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