Under what condition of the temperature and pressure the formation of atomic hydrogen from molecular hydrogen will be favored most?
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a
High T and High P
b
Low T and Low P
c
High T and Low P
d
Low T and High P
answer is C.
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Detailed Solution
H2g⇌ 2Hg;ΔH=+436Kj/moleAccording to Lechatlier’s principle, forward reaction is endothermic, so it is favored by high temperature. During formation of Atomic hydrogen, number of moles increases, so it is favored by low ‘P’.