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Why the common name of 1,2-dichloro-ethane is ethylene dichloride if it has no double bonds in it?

According to Wikipedia Article on 1,2-Dichloroethane, it is known by many names: Ethylene dichloride Ethylene chloride 1,2-DCE DCE Ethane dichloride Dutch liquid Dutch oil Freon 150 The, misleading, ...
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2 votes

Why the common name of 1,2-dichloro-ethane is ethylene dichloride if it has no double bonds in it?

Ethylene is the name for the bidental functional group $\ce{\bond{-}CH2-CH2\bond{-}}$ Similarly, $\ce{\bond{-}CH2\bond{-}}$ is methylene and $\ce{CH2Cl2}$ can be called also as methylene dichloride,...
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9 votes
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Why does phosphinic acid not form pyroacids?

It’s essentially both reasons mentioned in the comments. “Pyro-” means “fire” or, more generally, “heat” (“pyrotechnics” = “fireworks”). Hypophosphorous acid, or more accurately phosphinic acid, is ...
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5 votes
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Is HC(=NH)OH a stable compound?

You are considering the following molecule. As stated in the referenced study: Values have been calculated at the B3LYP-D3/TZVP+COSMO(ε = 80.0)//RI-CC2/TZVP+COSMO(ε = 80.0) and the B3LYP-D3/TZVP+ ...
ananta's user avatar
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4 votes

Is HC(=NH)OH a stable compound?

Compound 7 is the imidic acid of formic acid (hence formimidic acid). However as indicated by $\Delta{}G$, its tautomer formamide 8 is thermodynamically favoured. Some activation ($\Delta{}G^\#$) ...
Buttonwood's user avatar
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