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What volume of 2 N K2Cr2O7 solution is ...

What volume of 2 N `K_2Cr_2O_7` solution is required to oxidise 0.81 g of `H_2S` in acidic medium?

A

47.8 ml

B

23.8 ml

C

40 ml

D

72 ml

Text Solution

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The correct Answer is:
B
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In a solution acidified with HCI, K_(2)Cr_(2)O_(7) oxidises metallic tin (sin) to stannic chloride (SnCI_(4)) . What volume of a decinormal K_(2)Cr_(2)O_(7) solution is required to oxidise 0.1 g of tin ?

What volume of 0.5M KMnO_(4) solution is required to oxiside 2.0g of FeSO_(4) to acid medium ?

Knowledge Check

  • V ml solution of Fe^(2+) can be oxidised by 60 ml of KMnO_4 in acidic medium. What will be the volume of K_2Cr_2O_7 required to oxidise V ml of the same Fe^(2+) solution in an acidic medium ? Consider the molarity of KMnO_4 and K_2Cr_2O_7 to be the same.

    A
    50 ml
    B
    60 ml
    C
    72 ml
    D
    25 ml

  • What is the colour of K_2 Cr_2O_7 ?

    A
    Bluish green
    B
    Green
    C
    Orange
    D
    Blue

  • The number of moles of KMnO_4 required to oxidise one mole of FeC_2O_4 in an acidic medium is

    A
    0.6
    B
    1.67
    C
    0.2
    D
    0.4

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    What amount of K_(2)Cr_(2)O_(7) (in mmol) is required to oxidise 24ml 0.05 M Mohr's salt?

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    Equal volumes of 1 M each of KMnO_4 and K_2Cr_2O_7 are used to oxidize Fe(ll) solution in acidic medium. The amount of Fe oxidized will be

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