Concept explainers
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(a)
Interpretation: Molecular formula needs to be determined for CH3CH2COOH
Concept introduction: Atoms combine to form molecules. Molecular formula is the chemical formula, which shows actual number of atoms of each element present in the molecule of the compound.
(a)
Answer to Problem 5E
C3H6O2
Explanation of Solution
The structure of the molecule is as follows:
Total number of ‘C’ atom = 3
Total number ‘H’ atom = 6
Total number of ‘O’ atom = 2
Therefore the molecular formula is C3H6O2
(b)
Interpretation: The molecular formula needs to be determined for CH3CH2CH2COCH3
Concept introduction: Atoms combine to form molecules. Molecular formula is the chemical formula, which shows actual number of atoms of each element present in the molecule of the compound.
(b)
Answer to Problem 5E
C5H10O
Explanation of Solution
The structure of the molecule is represented as follows:
Total number of ‘C’ atom = 5
Total number ‘H’ atom = 10
Total number of ‘O’ atom = 1
Therefore, the molecular formula is C5H10O .
(c)
Interpretation: Molecular formula needs to be determined for the compound CH3CH(CH3)COCH3 .
Concept introduction: Atoms combine to form molecules. Molecular formula is the chemical formula, which shows actual number of atoms of each element present in the molecule of the compound.
(c)
Answer to Problem 5E
C5H10O
Explanation of Solution
The structure of the molecule is as follows:
Total number of ‘C’ atom = 5
Total number ‘H’ atom = 10
Total number of ‘O’ atom = 1
Therefore the molecular formula is C5H10O .
(d)
Interpretation: Molecular formula needs to be determined for the compound CH3CH2COOCH3 .
Concept introduction: Atoms combine to form molecules. Molecular formula is the chemical formula, which shows actual number of atoms of each element present in the molecule of the compound.
(d)
Answer to Problem 5E
C4H8O2
Explanation of Solution
The structure of the molecule is as follows:
Total number of ‘C’ atom = 4
Total number ‘H’ atom = 8
Total number of ‘O’ atom = 2
Therefore, the molecular formula is C4H8O2
(e)
Interpretation: Molecular formula needs to be determined for the compound CH3CH2CH2NHCH3
Concept introduction: Atoms combine to form molecules. Molecular formula is the chemical formula, which shows actual number of atoms of each element present in the molecule of the compound.
(e)
Answer to Problem 5E
C4H11N
Explanation of Solution
The structure of the molecule is as follows:
Total number of ‘C’ atom = 4
Total number ‘H’ atom = 11
Total number of ‘N’ atom = 1
Therefore, the molecular formula is C4H11N .
(f)
Interpretation: The molecular formula needs to be determined in the compound CHOOCH3 .
Concept introduction: Atoms combine to form molecules. Molecular formula is the chemical formula, which shows actual number of atoms of each element present in the molecule of the compound.
(f)
Answer to Problem 5E
C2H4O2
Explanation of Solution
The structure of the molecule is as follows:
Total number of ‘C’ atom = 4
Total number ‘H’ atom = 4
Total number of ‘O’ atom = 2
Therefore, the molecular formula is C2H4O2 .
Chapter U2 Solutions
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