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S(1) : Silver iodide is fairly soluble i...

`S_(1) :` Silver iodide is fairly soluble in hypo solution.
`S_(2) :` Heavy metal chloride like `AgCl,HgCl_(2)` etc. also respond to Chromyl chloride test.
`S_(3) :` Bromine reacts with `KI` liberating violet vapours of iodine.
`S_(4) :` Diphenylamine reagent test is also given by nitrites chlorates, bromates, iodates, etc. in addition to `NO_(3)^(-)`

A

`T T T F`

B

`T F T T`

C

`T T F F `

D

`F F T T `

Text Solution

Verified by Experts

The correct Answer is:
B
`S_(2) :` do not respond as they are partially dissociated.
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Consider the following statements : S_(1) : A metal chloride on heating with an aqueous solution of K_(2)Cr_(2)O_(7) and concentral H_(2)SO_(4) produces deep red vapours. S_(2) : Lead nitrate dissolved in water responds to brown ring test. S_(3) : Deep red solution of ferric acetate on boiling with water turns to brownishred solution. S_(4) : NaNO_(2) solution acidified with acetic acid produces blue colour with iodide solution and starch paste of these.

Consider the following statement: S_(1) : Cu^(2+) ions are reduced to Cu^(+) by potassium iodide and potassium cyanide both, when taken in excess S_(2) : H_(2)S will precipitate the sulphide of all the metals from the solutions of chlorides of Cu,Zn and Cd if the solution is aqueous. S_(3) :The presence of magnesium is confirmed in qualitative analysis by the formation of a white crystal S_(4) :Calomel on reaction with potassium iodide gives red precipitate. and arrange in the order of true/false.

Knowledge Check

  • Consider the following statements : S_(1) : A metal chloride on heating with an aqueous solution of K_(2)Cr_(2)O_(7) and concentral H_(2)SO_(4) produces deep red vapours. S_(2) : Lead nitrate dissolved in water responds to brown ring test. S_(3) : Deep red solution of ferric acetate on boiling with water turns to brownishred solution. S_(4) : NaNO_(2) solution acidified with acetic acid produces blue colour with iodide solution and starch paste of these.

    A
    `S_(1),S_(2)` and `S_(3)` are correct
    B
    `S_(1),S_(3)` and `S_(4)` are incorrect
    C
    Only `S_(3)` and `S_(4)` are in correct
    D
    All are incorrect

  • Consider the following statement: S_(1) : Cu^(2+) ions are reduced to Cu^(+) by potassium iodide and potassium cyanide both, when taken in excess S_(2) : H_(2)S will precipitate the sulphide of all the metals from the solutions of chlorides of Cu,Zn and Cd if the solution is aqueous. S_(3) :The presence of magnesium is confirmed in qualitative analysis by the formation of a white crystal S_(4) :Calomel on reaction with potassium iodide gives red precipitate. and arrange in the order of true/false.

    A
    `TTFF`
    B
    `TFTF`
    C
    TTTT
    D
    TTTF

  • When 159.5g of CuSO_(4) solution is reacted with KI , then the liberated iodine required 100 ml of 1MNa_(2)S_(2)O_(3) for complete reaction, then what is the percentage purity of Cu is CuSO_(4) solution

    A
    `10%`
    B
    `20%`
    C
    `5%`
    D
    `40%`
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