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Ratan Deshpande
Asked: 2022-11-11T05:47:49+05:30 In:

A 0.0020 m aqueous solution of an ionic compound `Co(NH_(3))_(5) (NO_(2))Cl` freezes at `-0.00744^(@)C`. The number of moles of ions which 1 mole of ionic compound produces on being dissolve in water is `(K_(f)=-1.86^(@)C//m)`

A 0.0020 m aqueous solution of an ionic compound `Co(NH_(3))_(5) (NO_(2))Cl` freezes at `-0.00744^(@)C`. The number of moles of ions which 1 mole of ionic compound produces on being dissolve in water is `(K_(f)=-1.86^(@)C//m)`
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  1. Correct Answer – 2
    No. of moles of ions produce from 1 mole of ionic compound = i
    `because T_(f)=K_(f)i.m.`
    `therefore i=(T_(f))/(K_(f)xxm)=(0.00744)/(1.86xx0.0020)=2`.

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