Reason behind 6-ethyl-2-methyl-4-pentyloctane as inappropriate for below molecule should be explained. Concept introduction: The IUPAC name begins with prefix to designate the number of C atoms in the longest chosen parent alkane followed by the suffix −ane. Positions of side chains or substituents are indicated by lowest numeral places before prefix. The IUPAC system for nomenclature of straight hydrocarbon makes use of table given as follows: As per IUPAC recommendations, longest chain found in a continuous manner in a branched molecule is chosen as parent chain.

Question

Complete the following statements so that they are true. Ry value. Ry value. R; value. Ry value. a. A more polar compound has a b. A less polar compound has a c. A more polar solvent causes a d. A less polar solvent causes a e. To increase the Ry of a spot, you should add more of which solvent, hexanes or ethyl acetate?

Answer 1

Question

Chapter NW1, Problem 16CTQ

(a)

Interpretation Introduction

Interpretation: Reason behind 6-ethyl-2-methyl-4-pentyloctane as inappropriate for below molecule should be explained.

Concept introduction:The IUPAC name begins with prefix to designate the number of C atoms in the longest chosen parent alkane followed by the suffix −ane. Positions of side chains or substituents are indicated by lowest numeral places before prefix.

The IUPAC system for nomenclature of straight hydrocarbon makes use of table given as follows:

As per IUPAC recommendations, longest chain found in a continuous manner in a branched molecule is chosen as parent chain.

(b)

Interpretation Introduction

Interpretation:Reason behind 3-methyl-5-isobutyldecane as inappropriate as inappropriate for below molecule should be explained.

Concept introduction:The IUPAC name begins with prefix to designate the number of C atoms in the longest chosen parent alkane followed by the suffix −ane. Positions of side chains or substituents are indicated by lowest numeral places before prefix.

The IUPAC system for nomenclature of straight hydrocarbon makes use of table given as follows:

As per IUPAC recommendations, all the side chains are named in alphabetical order.Names of branches that occur commonly as side chains are listed below:

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Complete the following statements so that they are true. Ry value. Ry value. R; value. Ry value. a. A more polar compound has a b. A less polar compound has a c. A more polar solvent causes a d. A less polar solvent causes a e. To increase the Ry of a spot, you should add more of which solvent, hexanes or ethyl acetate?

Build a model of 2,2,5,5-tetramethylhexane. Orient the model so that you are looking at the carbon with the arrow pointing to it in Figure 3. Align the bond to the next carbon in the chain so that it is directly behind the first carbon to match a Newman projection view. (See Figure MM.3 in the lab manual) Spin the carbons on either side of the bond you're looking down to cycle through all three staggered and all three eclipsed positions of the substituents. Draw all six positions as Newman projections on the data sheet and identify the position with the highest energy. Draw the six Newman projections of all of the different energy levels. Label each as staggered or eclipsed and rank in order from lowest energy to highest.

7. Draw curved arrows indicating the movements of electrons between the following pair of resonance structures. Name the pattern of resonance shown. What is the hybridization of the carbon atoms? 8. Draw the remaining three resonance structures for the molecule in problem 7 above. 9. There are several possible forms of a trisubstituted cyclohexane with the formula C10H200. I have drawn four of them. From these, which one do you think is most commonly naturally occurring, and why? Which is least commonly occurring and why? HO HO" HO HO