Home
Class 12
CHEMISTRY
Colourless salt (A) decolourise I(2) sol...

Colourless salt `(A)` decolourise `I_(2)` solution and gives white precipitate (change to black) with `AgNO_(3)` solution. `(A)` also produces pink colour with `FeCl_(3)` solution. Identigy `(A)` and explain reactions.

Text Solution

Verified by Experts

(A):`Na_(2)S_(2)O_(3)`
`Na_(2)S_(2)O_(3)+2AgNO_(3)toAg_(2)S_(2)O_(3)+2NaNO_(3)`
`Ag_(2)S_(2)O_(3)+H_(2)OtoH_(2)SO_(4)+underset(Black)(Ag_(2))Suparrow`
`2FeCI_(3)+2Na_(2)S_(2)O_(3)to2FeCI_(3)+Na_(2)S_(4)O_(5)+2NaCI`
Promotional Banner

Topper's Solved these Questions

  • PREPARATION AND PROPERTIES OF COMPOUNDS AND GENERAL DISCUSSION OF S-AND P-BLOCK ELEMENTS

    FIITJEE|Exercise SOLVED PROBLEMS (SUBJECTIVE)Level-I|29 Videos

  • PREPARATION AND PROPERTIES OF COMPOUNDS AND GENERAL DISCUSSION OF S-AND P-BLOCK ELEMENTS

    FIITJEE|Exercise SOLVED PROBLEMS (OBJECTIVE)|27 Videos

  • PERIODIC PROTERTIES OF ELEMENTS

    FIITJEE|Exercise COMPREHENSION|13 Videos

  • QUALITATIVE ANALYSIS

    FIITJEE|Exercise Single interger answer type|3 Videos

Similar Questions

Explore conceptually related problems

AgNO_(3) solution will not give white precipitate with

Which of the following gives white precipitate with ammoniacal AgNO_3 solution?

Why does NaCl give a white precipitate with AgNO_(3) solution but C Cl_(4) does not ?

Which one of the following does not give a precipitate with AgNO_(3) solution ?