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What is the number of electrons shared in the multiple carbon-carbon bond in one molecule of 1-pentyne?

October 18, 2017

What is the number of electrons shared in the multiple carbon-carbon bond in one molecule of 1-pentyne?

(1) 6

(2) 2

(3) 3

(4) 8 

 

Answer and Explanation: 

Pentyne is an organic compound. We know from looking at the ending "yne" that this molecules belongs to the class of alkynes if we look at the Reference table. Alkynes are molecules that have a triple bond. Since the question asks us for the number of electrons shared in multiple carbon-carbon bond, triple bond is what we must be looking at. A single bond shares two electrons, and thus, a triple bond must share three times as much or 6 electrons. Therefore, answer choice (1)6 is the correct answer.

 

 

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