What factor is most important in determining the chemistry of an organic molecul
ID: 1032973 • Letter: W
Question
What factor is most important in determining the chemistry of an organic molecule?
Question 21 options:
the functional groups
the number of carbon-carbon bonds
the number of carbon-hydrogen bonds
the number of branches in the carbon chain
Question 22 options:
enantiomers
cis-trans isomers
totally different molecules
constitutional isomers
An unknown compound B has been determined to be either propanal, propanoic acid or propanol. The unknown is fairly soluble in water and reacts when treated with Benedict's Solution. What is the identity of the unknown?
Question 23 options:
propanol
Insufficient information provided; can't determine.
propanoic acid
propanal
An unknown compound B has been determined to be either propanal, propanoic acid or propanol. The unknown is fairly soluble in water and reacts when treated with Benedict's Solution. What is the organic product from the reaction with the Benedict's Solution?
Question 24 options:
propanol
propanal
propanoic acid
propane
An unknown alcohol of molecular formula C4H10O forms only one alkene when treated with H2SO4. No reaction is observed when the alcohol is treated with an oxidizing agent. Name the alcohol.
Question 25 options:
2-butanol
2-methyl-2-propanol
2-methyl-1-propanol
1-butanol
the functional groups
the number of carbon-carbon bonds
the number of carbon-hydrogen bonds
the number of branches in the carbon chain
H-C-H HC-H HO-C-H H-C-OH Cl CIExplanation / Answer
21. Option A, since it the functional group
22. Structures are not clear
23. Option D, Propanal since it gives positive test with Benedict's reagent. Only aldehydes gives this test
24. Option C, propanoic acid. Since Benedict Reagent acts as oxidizing agent and oxidizes the aldehyde to carboxylic acid.
25. Option B, 2-methyl-2-propanol. Since it is tertiary alcohol hence it won't undergo oxidation and gives only one alkene on elimination.
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