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Tollen's test is given by aldehydes: Ag^...

Tollen's test is given by aldehydes:
`Ag^(+)+barerarrAg, E_(red)^@=+0.800V` and `C_6H_12O_6+H_2OrarrC_6H_12O_7+2H^++2bare, E_(ox)^@=-0.05V`
`[Ag(NH_3)_2]+barerarrAg+2NH_3, E_(red)^@=+0.373V` use `(F)/(RT)=38.9 V^-1`
Calculate(ln K) for
`C_6H_12O_6+2Ag^(+)+H_2OrarrC_2H_12O_7+2H^(+)+2Ag`

A

55.6

B

29.6

C

66

D

58.35

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Tollen's test is given by aldehydes: Ag^(+)+barerarrAg, E_(red)^@=+0.800V and C_6H_12O_6+H_2OrarrC_6H_12O_7+2H^=+2bare, E_(ox)^@=-0.05V [Ag(NH_3)_2]+barerarrAg+2NH_3, E_(red)^@=+0.373V use (F)/(RT)=38.9 V^-1 On adding NH_3 , pH for the solution increases to 11 then identity the effect on potential of half cell

The order of reaction is C_12H_22O_11+H_2O rarr C_6H_12O_6+ C_6H_12O_6

Knowledge Check

  • Oleum is: H_2S_2O_7 , H_2S_2O_6 , H_4S_2O_7 , H_3S_2O_7 .

    A
    `H_2S_2O_7`
    B
    `H_2S_2O_6`
    C
    `H_4S_2O_7`
    D
    `H_3S_2O_7`

  • Calculate mass of 2.7moles of C_(12)H_(22)O_(11) (molar mass = 342 g/ mol)

    A
    0
    B
    `+2`
    C
    `+6`
    D
    `-6`

  • The compound [Cr(H_2O)_6]Cl_3 and [Cr(H_2O)_4Cl_2],H_2O represent

    A
    linkage isomerism
    B
    hydrate isomerism
    C
    Ligand isomerism
    D
    none of these

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