Question

Depection in tecung noint ( triangle T_{f}=3 cdot+2 mathrm{k} ) molatity ( =1 ) ' molel
( k_{f}=1.86 mathrm{kmol} / mathrm{kg} )
( Delta T_{f}=i X k f times m )
( 3 cdot 27 K=i times 1.86 mathrm{kmol} / mathrm{kg} times 1 mathrm{m} )
( i=2 )
1001 . is is nis athon means depree of dinoriation ( =1 )
( Rightarrow alpha=1 )
( alpha=frac{i-1}{n-1} )
( 1=frac{2-1}{n-1} )
a) ( quad n=2=n_{0} cdot 0 f ) isns ginen by complen on dinoriation in walee comples in
( left[P t d_{3}left(H_{2} 0right)_{3}right] C cdot 3 mathrm{H}_{2} mathrm{O} )

# PtCl4 0H20 can exist as a hydrated complex. Its 1 molal aq. solution has depression in freezing point of 3.72. Assume 100% ionization. The correct representation of complex is : (Kf = 1.86 °C/molal) A [Pt(H20)6]C14 B [Pt(H20)3 C13]C1-3H20 [Pt(H20)4C12]C12-2H20 D [Pt(H20),C14].4H20

Solution