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Why is AgBr used in photography ?...

Why is `AgBr` used in photography ?

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The correct Answer is:
Out of all silver halidas, `AgBr` is most sensitive to light and under goes photo reduction to metallic silver instantaneously on exposure to light.
`2AgBrto2Ag+Br_(2)`
Unexposed `AgBr` can be dissolved out in hypo `(Na_(2)S_(2)O_(3))` solution.
`AgBr+2Na_(2)S_(2)O_(3)toNa_(3)[Ag(S_(2)O_(3))]+NaBr`.
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Why hypo is used in photography?

Hypo is used in photography to a) reduce AgBr grains to metallic silver " (b) convert metallic silver to silver salt (c) remove undecomposed silver bromide as a soluble complex (d) remove reduced silver.

Knowledge Check

  • Hypo is used in photography to

    A
    reduce AgBr grains to metallic silver
    B
    convert metallic silver to silver salt
    C
    remove undecomposed silver bromide as a soluble complex
    D
    remove reduced silver.

  • Hypo is used in photography to

    A
    reduce AgBr grains to metallic silver.
    B
    convert metallic silver to silver salt.
    C
    remove the undecomposed silver bromide as a soluble complex
    D
    remove the reduced silver.

  • Hypo is used in photography to

    A
    Reduce `AgBr` grains to metallic silver
    B
    Convert the metallic silver to silver salt
    C
    Remove undecomposed silver bromide as a soluble complex
    D
    Remove reduced silver

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    Hypo is used in photography because of its

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