"draw the alkyne formed when 1,1-dichloro-3-methylbutane is treated with an excess of a strong base such as sodium amide. omit byproducts. (give the neutralized alkyne product, not the acetylide salt.)"

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Ch4 and ph3 are both covalent since they are composed both of non-metals.    ch4 is non- polar because of  london forces and has a geometry of tetrahedral  ph3 , on the other hand, is umbrella shaped polar and has dipole-dipole intermolecular force (imf) . since ph3 is polar, it has a stronger imf