Question
Asked Dec 27, 2019
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What product is formed when CH3OCH2CH2C ≡ CCH2CH(CH3)2 is treated with each reagent: (a) H2 (excess), Pd-C; (b) H2(1 equiv), Lindlar catalyst; (c) H2 (excess), Lindlar catalyst; (d) Na, NH3?

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Expert Answer

Step 1

Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If you want remaining sub-parts to be solved, then please resubmit the whole question and specify those sub-parts you want us to solve.

(a)

The reaction of alkynes with excess of hydrogen gas in the presence of Pd-C catalyst leads to the formation of alkane as a product.

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Step 2

(b)

The reaction of an alkyne with one equivalent of hydrogen gas in the presence of the Lindlar’s catalyst leads to the formation of cis-alkene as a product.

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Step 3

(c)

The reaction of an alkyne with excess of hydrogen gas in the presence of the L...

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