12 220 11 200 10 180 9 160 00 8 5 H 7 140 6 ppm 120 ppm 5 100 2 H 4 80 3 60 2 40 1 0 20 0

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Q: b)

A: So, the alkyne part is reduced to an alkane.

Q: Br HCI 2

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Q: b) c) d) MgBr 12210 1) diethyl ether 2) H* 1) EtMgBr (excess) 2) H* diethyl ether LOH 19981

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