Properties Of Dihydrogen
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Transcript of Properties Of Dihydrogen
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PROPERTIES OF
DIHYDROGEN
BY- Hrithik Sharma
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Physical Properties…..COLOURLESS ODOURLESS COMBUSTIBLEGAS
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ODOURLESS TASTELESS
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It is lighter than air Insoluble in water
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Chemical Properties Reactions with Halogens: H2(g) + X2(g) -> 2HX [X = F,Cl,Br,I] Results gives us hydrogen halides. Reaction with fluorine even happens in dark.
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Reaction with Dioxygen: 2H2(g) + O2 -> 2H2O(l) ∆H = -285.9 KJ/mol Results gives us water.
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Reaction with Dinitrogen: 3H2(g) + N2(g) -> 2NH3(g): ∆H = -92.6KJ/mol
Results gives us ammonia..
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Reactions with metals: H2(g) + 2M(g) -> 2MH(s)
M is an alkali metal
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Reaction with metal ions and metal oxides:
H2(g) + Pd(aq) -> PD(s) + 2H(aq)
yH2(g) + MxOy(s) -> xM(s) + yH2O(l)
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Reactions with organic compounds: 1. Hydrogenation of vegetable oil using
nickel as catalyst gives edible fats 2. hydro formylation of olefins yields
aldehydes which further undergo reduction to give alcohols
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THE END
Thank You