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Answer 1 · 2017-04-17T15:47:18

You get a Wurtz reaction.

The Wurtz reaction is a coupling reaction in which two alkyl halides react with sodium metal in a dry ether solution to form a higher alkane:

#"R-X + X-R + 2Na"color(white)(l) stackrelcolor(blue)("dry ether"color(white)(m))(→) "R-R + 2Na-X"#

The reaction with 1,3-dihalides readily gives cyclopropanes as the product.

Thus, I would expect 1,3-dibromo-2-(bromomethyl)propane initially to form (bromomethyl)cycloprane.

BrMe

The product is still an alkyl halide.

I would expect it to react further and form 1,2-dicyclopropylethane.

dicp