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Consider the following reaction A overse...

Consider the following reaction `A overset(K_(2)Cr_(2)O_(7),H^(o+))to`

The starting substance 'A' can be

A

B

C

D

Text Solution

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The correct Answer is:
A, B, D
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Tests on an aqueous solution of a sodium salt having an anion X^(n-) gave the following results: anion X^(n-) overset(K_(2)Cr_(2)O_(7) // H^(+))to "green solution + gas" overset(Pb(NO_(3))_(2))to "black precipitate" . Which one of the following could be X^(n-) :

Choose the wrong statement regarding K_(2)Cr_(2)O_(7)

Consider the following sequence of reactions: A overset(C_(2)H_(5)MgI)to X overset(H^(+)//H_(2)O)to tert - amyl alcohol. The compound A in the above sequence of reactions is

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Which of the following can converts acidified Cr_(2)O_(7)^(2(-)) to green product?

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Knowledge Check

  • Tests on an aqueous solution of a sodium salt having an anion X^(n-) gave the following results: anion X^(n-) overset(K_(2)Cr_(2)O_(7) // H^(+))to "green solution + gas" overset(Pb(NO_(3))_(2))to "black precipitate" . Which one of the following could be X^(n-) :

    A
    `I^(-)`
    B
    `NO_(2)^(-)`
    C
    `S^(2-)`
    D
    `SO_(4)^(2-)`

  • Consider the following sequence of reactions: A overset(C_(2)H_(5)MgI)to X overset(H^(+)//H_(2)O)to tert - amyl alcohol. The compound A in the above sequence of reactions is

    A
    2-Butanone
    B
    Acetaldehyde
    C
    Acetone
    D
    Propanal

  • Which of the following can converts acidified Cr_(2)O_(7)^(2(-)) to green product?

    A
    `SO_(2), H_(2)SO_(3) and H_(2)SO_(4)`
    B
    `SO_(3), H_(2)S and H_(2)SO_(3)`
    C
    `SO_(3), H_(2)S and Fe^(+3)`
    D
    `SO_(3)^(-2), H_(2)S and Fe^(+2)`