4) Consider molecules with the formula C10H16. Which of the following structural

Question

4) Consider molecules with the formula C10H16. Which of the following structural features are not possible within this set of molecules? A) 2 triple bonds B) 1 ring and 1 triple bond C) 2 rings and 1 double bond D) 2 double bonds and 1 ring E) 3 double bonds 5) How many elements of unsaturation do molecules with a molecular formula of CgH4N2 have? A) 2 B) 4 C) 6 D) 8 E) 10 6) A newly isolated natural product was found to have the molecular formula C15H2802. By hydrogenating a sample of the compound, it was determined to possess one p bond. How m rings are present in the compound? A) 0 B) 1 C) 2

Explanation / Answer

4)

the formula of alkane is CnH2n+2

So, with 10 carbon, alkane will be C10H22

the given compound is C10H16

This is 6 hydrogen less or degree of unsaturation is 3

2 triple bond is not possible because this is like have degree of unsaturation=4 but compound has only 3 degree of unsaturation

Hence the answer is A

Answer: A

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