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The reaction that occurs in a breath ana...

The reaction that occurs in a breath analyser, a device used to determine the alcohol level in a person's blood stream is
`2K_(2)Cr_(2)O_(7)+8H_(2)SO_(4)+3C_(2)H_(6)O to 2Cr_(2)(SO_(4))_(3)+3C_(2)H_(4)O_(2)+2K_(2)SO_(4)+11H_(2)O`
If the rate of appearance of `Cr_(2)(SO_(4))_(3)` is `2.67` mol `min^(-1)` at a particular time , the rate of disappearance of `C_(2)H_(6)O` at the same time is ___________mol `min^(-1)`. (Nearest integer)

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The reaction that occurs in a 'breathlyser' , a device used to determine the alcohol level in a person's blood stream, is : 2K_(2)Cr_(2)O_(7)+8H_(2)SO_(4)+3C_(2)H_(5)OHrarr2Cr_(2)(SO_(4))_(3)+2K_(2)SO_(4)+3CH_(3)COOH+11H_(2)O If the rate of deappearance of ethanol is 6.9 gm/min, then the rate of appearance of chromium (III) sulphate is : (Cr=52)

Cr_(2)O_(7)^(2-)+H^(+)+SO_(3)^(2-) to Cr^(3+)(aq.)+SO_(4)^(2-)

H_(4)underline(S_(2))O_(6)+H_(2)O to H_(2)SO_(3)+H_(2)SO_(4)

Balance the following equation by oxidation number method: K_(2)Cr_(2)O_(7)+FeSO_(4)+H_(2)SO_(4)=Cr_(2)(SO_(4))_(3)+Fe_(2)(SO_(4))+K_(2)SO_(4)+H_(2)O

Aniline on oxidation with Na_(2)Cr_(2)O_(7) and H_(2)SO_(4) gives

The conversion of K_(2)Cr_(2)O_(7) into Cr_(2)(SO_(4))_(3) is

Knowledge Check

  • The reaction that occurs in a 'breathlyser' , a device used to determine the alcohol level in a person's blood stream, is : 2K_(2)Cr_(2)O_(7)+8H_(2)SO_(4)+3C_(2)H_(5)OHrarr2Cr_(2)(SO_(4))_(3)+2K_(2)SO_(4)+3CH_(3)COOH+11H_(2)O If the rate of deappearance of ethanol is 6.9 gm/min, then the rate of appearance of chromium (III) sulphate is : (Cr=52)

    A
    `4.6` gm/min
    B
    `10.35` gm/min
    C
    `39.2` gm/min
    D
    `88.2` gm/min

  • Cr_(2)O_(7)^(2-)+H^(+)+SO_(3)^(2-) to Cr^(3+)(aq.)+SO_(4)^(2-)

    A
    For disproportionation reaction.
    B
    For comproportionation reaction.
    C
    For either intermolecular redox reaction or displacement reaction
    D
    For either thermal combination redox reaction or thermal decomposition redox reaction.

  • H_(4)underline(S_(2))O_(6)+H_(2)O to H_(2)SO_(3)+H_(2)SO_(4)

    A
    If product is oxy acid with -ic suffix.
    B
    If product is oxy acid with -ous suffix
    C
    If product are two oxy acids one with -ic suffix and otherone with -ous suffix.
    D
    If product is not oxy acid, neither with -ic suffix nor with -ous suffix
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