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In carius method of estimation of halogen, 0.45g of an organic compound gave 0.36g of AgBr. Find out the percentage of bromine in the compound.

 (Molar masses: AgBr = 188 g mol-1, Br = 80 g mol-)

Option 1 -

34. 04%

Option 2 -

40.04%

Option 3 -

36.03%

Option 4 -

38.04%

0 2 Views | Posted 2 months ago
Asked by Shiksha User

  • 1 Answer

  • A

    Answered by

    alok kumar singh | Contributor-Level 10

    2 months ago
    Correct Option - 1


    Detailed Solution:

    Mass of organic compound = 0.45 gm

    Mass of AgBr obtained = 0.36 gm

    ∴ M o l e s     o f     A g B r = 0 . 3 6 1 8 8

    ∴ M a s s     o f     B r o m i n e = 0 . 3 6 1 8 8 × 8 0 = 0 . 1 5 3 2 g m

    ∴ % B r     i n     c o m p o u n d = 0 . 1 5 3 2 0 . 4 5 × 1 0 0 = 3 4 . 0 4 %                

     

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