Home
Class 12
CHEMISTRY
FeCr(2)O(4)+NaOH+"air" to (A)+Fe(2)O(3) ...

`FeCr_(2)O_(4)+NaOH+"air" to (A)+Fe_(2)O_(3)`
`(A)+(B) to Na_(2)Cr_(2)O_(7)`
`Na_(2)Cr_(2)O_(7)+X overset(Delta)to Cr_(2)O_(3)`
`Cr_(2)O_(3)+Y overset(Delta)to Cr`
Compound (A) and (B) are :

A

`Na_(2)CrO_(4), H_(2)SO_(4)`

B

`Na_(2)Cr_(2)O_(7),HCl`

C

`Na_(2)CrO_(5), H_(2)SO_(4)`

D

`Na_(4)[Fe(OH)_(6)], H_(2)SO_(4)`

Text Solution

Verified by Experts

The correct Answer is:
A
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • METALLURGY

    VK JAISWAL|Exercise Level 3 (Passive 7)|8 Videos

  • METALLURGY

    VK JAISWAL|Exercise Level 2|86 Videos

  • METALLURGY

    VK JAISWAL|Exercise Level 3 (Passive 5)|6 Videos

  • ENVIRONMENTAL CHEMISTRY

    VK JAISWAL|Exercise ASSERTION-REASON TYPE QUESTIONS|14 Videos

  • p-BLOCK ELEMENTS

    VK JAISWAL|Exercise SUBJECTIVE PROBLEMS|36 Videos

Similar Questions

Explore conceptually related problems

FeCr_(2)O_(4)+NaOH+"air" to (A)+Fe_(2)O_(3) (A)+(B) to Na_(2)Cr_(2)O_(7) Na_(2)Cr_(2)O_(7)+X overset(Delta)to Cr_(2)O_(3) Cr_(2)O_(3)+Y overset(Delta)to Cr Na_(2)CrO_(4) and Fe_(2)O_(3) are separated by :

FeCr_(2) (chromite ) is a good soure of chromium and its compounds like Na_(2)CrO_(4),Na_(2)Cr_(2)O_(7) P:FeCr_(2)O_(4)+NaOH+airto A+Fe_(2)O_(3)Q: A+Bto Na_(2)Cr_(2)O_(7) R:Na_(2)Cr_(2)O_(7)+Xoverset(Delta)toCr_(2)O_(3) S:Cr_(@)O_(3)+YtoCr COmpounds (A) and(B)are:-

Knowledge Check

  • FeCr_(2)O_(4)+NaOH+"air" to (A)+Fe_(2)O_(3) (A)+(B) to Na_(2)Cr_(2)O_(7) Na_(2)Cr_(2)O_(7)+X overset(Delta)to Cr_(2)O_(3) Cr_(2)O_(3)+Y overset(Delta)to Cr (X) and (Y) are :

    A
    C and Al
    B
    Al and C
    C
    C in both
    D
    Al in both

  • FeCr_(2)O_(4)+NaOH+"air" to (A)+Fe_(2)O_(3) (A)+(B) to Na_(2)Cr_(2)O_(7) Na_(2)Cr_(2)O_(7)+X overset(Delta)to Cr_(2)O_(3) Cr_(2)O_(3)+Y overset(Delta)to Cr (X) and (Y) are :

    A
    C and Al
    B
    Al and C
    C
    C in both
    D
    Al in both

  • FeCr_(2)O_(4)+NaOH+"air" to (A)+Fe_(2)O_(3) (A)+(B) to Na_(2)Cr_(2)O_(7) Na_(2)Cr_(2)O_(7)+X overset(Delta)to Cr_(2)O_(3) Cr_(2)O_(3)+Y overset(Delta)to Cr Na_(2)CrO_(4) and Fe_(2)O_(3) are separated by :

    A
    dissolving in conc. `H_(2)SO_(4)`
    B
    dissolving in `NH_(3)`
    C
    dissolving in `H_(2)O`
    D
    dissolving in dil. HCl

    • Similar Questions

    Explore conceptually related problems

    FeCr_(2) (chromite ) is a good soure of chromium and its compounds like Na_(2)CrO_(4),Na_(2)Cr_(2)O_(7) P:FeCr_(2)O_(4)+NaOH+airto A+Fe_(2)O_(3)Q: A+Bto Na_(2)Cr_(2)O_(7) R:Na_(2)Cr_(2)O_(7)+Xoverset(Delta)toCr_(2)O_(3) S:Cr_(@)O_(3)+YtoCr COmpounds (A) and(B)are:-

    (I) FeCr_2 O_4 + NaOH + air to (A) + Fe_2O_3 (II) (A) + (B) to NaCr_2O_7 (III) Na_2Cr_2O_7 + X overset(Delta)(to) Cr_2O_3 (IV) Cr_2O_3 + Y overset(Delta ) (to) Cr Compounds (A) and (B) are

    K_(2)Cr_(2)O_(7) overset(Delta) to K_(2)CrO_(4)+Cr_(2)O_(3)+O_(2)uarr

    K_(2)Cr_(2)O_(7) overset(Delta) K_(2)CrO_(4)+Cr_(2)O_(3)+O_(2)uarr

    (I) FeCr_2 O_4 + NaOH + air to (A) + Fe_2O_3 (II) (A) + (B) to NaCr_2O_7 (III) Na_2Cr_2O_7 + X overset(Delta)(to) Cr_2O_3 (IV) Cr_2O_3 + Y overset(Delta ) (to) Cr (X) and (Y) are :

    Home
    Profile