Concept explainers
(a)
Interpretation:
The total number of hydrogen atoms present in the given skeletal structural formula has to be determined.
Concept Introduction:
The structural representation of organic compound can be done in 2D and 3D. In two-dimensional representation, there are four types of representation in which an organic compound can be drawn. They are,
- Expanded structural formula
- Condensed structural formula
- Skeletal structural formula
- Line-angle structural formula
Structural formula which shows all the atoms in a molecule along with all the bonds that is connecting the atoms present in the molecule is known as Expanded structural formula.
Structural formula in which grouping of atoms are done and in which the central atoms along with the other atoms are connected to them are treated as group is known as Condensed structural formula.
Structural formula that shows the bonding between carbon atoms alone in the molecule ignoring the hydrogen atoms being shown explicitly is known as Skeletal structural formula.
Structural formula where a line represent carbon‑carbon bond and the carbon atom is considered to be present in each point and the end of lines is known as Line-angle structural formula.
(b)
Interpretation:
The total number of carbon‑carbon bonds present in the given skeletal structural formula has to be determined.
Concept Introduction:
The structural representation of organic compound can be done in 2D and 3D. In two-dimensional representation, there are four types of representation in which an organic compound can be drawn. They are,
- Expanded structural formula
- Condensed structural formula
- Skeletal structural formula
- Line-angle structural formula
Structural formula which shows all the atoms in a molecule along with all the bonds that is connecting the atoms present in the molecule is known as Expanded structural formula.
Structural formula in which grouping of atoms are done and in which the central atoms along with the other atoms are connected to them are treated as group is known as Condensed structural formula.
Structural formula that shows the bonding between carbon atoms alone in the molecule ignoring the hydrogen atoms being shown explicitly is known as Skeletal structural formula.
Structural formula where a line represent carbon‑carbon bond and the carbon atom is considered to be present in each point and the end of lines is known as Line-angle structural formula.
(c)
Interpretation:
The total number of
Concept Introduction:
The structural representation of organic compound can be done in 2D and 3D. In two-dimensional representation, there are four types of representation in which an organic compound can be drawn. They are,
- Expanded structural formula
- Condensed structural formula
- Skeletal structural formula
- Line-angle structural formula
Structural formula which shows all the atoms in a molecule along with all the bonds that is connecting the atoms present in the molecule is known as Expanded structural formula.
Structural formula in which grouping of atoms are done and in which the central atoms along with the other atoms are connected to them are treated as group is known as Condensed structural formula.
Structural formula that shows the bonding between carbon atoms alone in the molecule ignoring the hydrogen atoms being shown explicitly is known as Skeletal structural formula.
Structural formula where a line represent carbon‑carbon bond and the carbon atom is considered to be present in each point and the end of lines is known as Line-angle structural formula.
(d)
Interpretation:
The total number of covalent bonds present in the given skeletal structural formula has to be determined.
Concept Introduction:
The structural representation of organic compound can be done in 2D and 3D. In two-dimensional representation, there are four types of representation in which an organic compound can be drawn. They are,
- Expanded structural formula
- Condensed structural formula
- Skeletal structural formula
- Line-angle structural formula
Structural formula which shows all the atoms in a molecule along with all the bonds that is connecting the atoms present in the molecule is known as Expanded structural formula.
Structural formula in which grouping of atoms are done and in which the central atoms along with the other atoms are connected to them are treated as group is known as Condensed structural formula.
Structural formula that shows the bonding between carbon atoms alone in the molecule ignoring the hydrogen atoms being shown explicitly is known as Skeletal structural formula.
Structural formula where a line represent carbon‑carbon bond and the carbon atom is considered to be present in each point and the end of lines is known as Line-angle structural formula.
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EBK ORGANIC AND BIOLOGICAL CHEMISTRY
- What is a hydrocarbon? What is the difference between a saturated hydrocarbon and an unsaturated hydrocarbon? Distinguish between normal and branched hydrocarbons. What is an alkane? What is a cyclic alkane? What are the two general formulas for alkanes? What is the hybridization of carbon atoms in alkanes? What are the bond angles in alkanes? Why are cyclopropane and cyclobutane so reactive? The normal (unbranched) hydrocarbons are often referred to as straight-chain hydrocarbons. What does this name refer to? Does it mean that the carbon atoms in a straight-chain hydrocarbon really have a linear arrangement? Explain. In the shorthand notation for cyclic alkanes, the hydrogens are usually omitted. How do you determine the number of hydrogens bonded to each carbon in a ring structure?arrow_forwardHow many electron pairs are shared when a triple bond exists between two carbon atoms? What must he the geometric arrangement around the carbon atoms in a triple bond? Draw the Lewis structure of a simple molecule that contains a triple bond.arrow_forwardV. Give what is asked. 1. When 2 carbon atoms form a double bond, how many pairs of e- will be shared between them? 2. An alkane has 5 carbon atoms. How many hydrogen atoms will it have? 3. An alkene has 3 carbon atoms. How many hydrogen atoms will it have? 4. An alkyne has 4 carbon atoms. How many hydrogen atoms will it have? 5. Show the Lewis structure for the stable molecule CH3.arrow_forward
- 9. The hydrogen atoms on the alkane structure below are not shown. How many hydrogen atoms are present on the carbon atom indicated? ఓంం C Ç-C-C-Ċ-C a. 0 b. 1 С. 2 d. 3arrow_forward1. Identify the SYSTEMATIC name of the aliphatic hydrocarbon a. 1-pentenyicyclopentane b. 1-cyclopentylpent-2-yne c. 1-pentenecyclopent-2-yne d. 1-pentenyicyclopentane 2. Identify the SYSTEMATIC name of the aliphatic hydrocarbon a. Trans-1,2-propylcyclopropane b. Trans-1,2-diisopropylcyclopropane c. Cis-1,2-propylcyclopropane d. Cis-1,2-diisopropylcyclopropane 3. Identify the SYSTEMATIC name of the aliphatic hydrocarbon 3,10-dimethyl-2-decacen-6-yne 3,10-dimethyl-2-dodocen-6-yne 3,10-dimethyl-10-decacen-6-yne d. 3,10-dimethyl-10-dodocen-6-yne a. b. C. 4. Identify which type of isomer the following structures represent HO a. Skeletal Isomer b. E/Z isomer c. Cis/Trans isomer OH OH d. Positional isomer 5. Identify which type of isomer the following structures represent a. Skeletal Isomer Br b. E/Z isomer c Cis/Trans isomer Br d. Positional isomerarrow_forwardCH2-CH2-CH3 Type of functional group r. CH2-CH2-CH3 Common Name Type of functional group H3C-C-o IUPAC H3C- Common Name H,C-CH,-CH,-CH,-CH,-NH-ċ-CH -CH3 t. Type of functional grouparrow_forward
- How are these two hydrocarbon structures related to each other...? CH3 I CH₂ H₂ H₂ H₂C-CH-C C CH3 CH₂ CH H₂ H₂C-C-CH- Select one: -C-CH₂ a. The same as (identical to) each other b. Isomers of each other (same empirical formula) - both are alkanes c. Isomers of each other (same empirical formula) - both are alkenes d. Isomers of each other (same empirical formula) - both are alkynes e. Not related (have different empirical formula)arrow_forwardMolecular formula of this structure is a. C4H10 b. C5H6 c. C6H8 d. C7H12arrow_forward9. The hydrogen atoms on the alkane structure below are not shown. How many hydrogen atoms are present on the carbon atom indicated? ç-ċ-c-ċ-c a. 0 b. 1 с. 2 d. 3 O O O Carrow_forward
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