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1. Solution and colligative properties — Chemistry STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceChemistry1. Solution and colligative properties1 Mark
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Answer

Correct option: D.
Azeotropic liquid mixture
d
(d)Azeotropic mixture is a mixture of two liquids which boils at on particular temperature like a pure liquid and distils over in the same composition.

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$E ^0\left( Fe ^{2+} . Fe \right)=-0.44 V $

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Match $E ^{\circ}$ of the rebox pair in List $I$ with the values given in List $II$ and select the correct answer using the code given below the lists:

List $I$ List $II$
$P.$ $\quad E ^{\circ}\left( Fe ^{3+}, Fe \right)$ $1.$ $\quad-0.18 V$
$Q.$ $\quad E ^{\circ}\left(4 H _2 O \rightleftharpoons 4 H ^{+}+4 OH ^{-}\right)$ $2.$ $\quad-0.4 V$
$R.$ $\quad E ^{\circ}\left( Cu ^{2+}+ Cu \rightarrow 2 Cu ^{+}\right)$ $3.$ $\quad-0.04 V$
$S.$ $\quad E ^{\circ}\left( Cr ^{3+}, Cr ^{+2}\right)$ $4.$ $\quad-0.83 V$

Codes: $ \quad P \quad Q \quad R \quad S $ 

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