(1)When 62.8 g of an alkyl halide derivative D were dissolved in 106 g of 1-butanol, the boiling point of the mixture wa

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(1)When 62.8 g of an alkyl halide derivative D were
dissolved in 106 g of 1-butanol, the boiling point of the
mixture was 120.9 °C. Deduce and draw the structure of D,
given that there are 2.5 times the number of chlorine atoms than
carbon atoms in the compound.
(2)One way in which the stoichiometry of a complex ion can be
determined is by measuring the color intensities of solutions
containing different proportions of the ligand and metal ion. In
one such experiment, the maximum color intensity was observed when
5.2 cm3 of a 1 x 10-3 M manganese ion solution and 1.56
cm3 of a 1 x 10-2 M solution of ethylenediamine were
mixed.
Given that one mole of a compound containing the complex ion
from this mixture produces three moles of silver chloride when the
compound reacts with excess silver nitrate, show whether the
compound is diamagnetic or paramagnetic