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  4. Van't Hoff factors of equimolal solutions of sodium chloride, barium chloride and glucose in water are

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Q. Van't Hoff factors of equimolal solutions of sodium chloride, barium chloride and glucose in water are

COMEDKCOMEDK 2014Solutions

Solution:

$NaCl _{( aq )} \longrightarrow Na _{( aq )}^{+}+ Cl _{( aq )}^{-}$
van't Hoff factor, $i=2$
$BaCl _{2( aq )} \longrightarrow Ba _{( aq )}^{2+}+2 Cl _{( aq )}^{-}, i=3$
Glucose does not undergo dissociation or association hence, $i=1$.