4.
i has only one methyl branch and five carbons in the longest chain. So, a total of six carbons.
ii has two methyl branches and five carbons in the longest chain. So, a total of seven carbons.
iii has no chains and seven carbons in the longest chain.
So, all of them are different.
5. Ethanol is more soluble in water because it has highly polarised O-H bond due to which it forms hydrogen bonding with water. Dimethyl ether is polar but there is no O-H bond. So, ethanol is more soluble.
Comment if any problem
4. Which of the following structural formulas represent the same compound? Н.с— сн, CH3 CH2CH2CH3 CH2...
Which of the following pairs of formulas represent isomers? CH3 - CH2 - CH2 - CH3 and CH3 - CH2 - CH3 CH3 CH3 - C-CH3 and CH3 - CH2 - CH3 сH3 СН3 CH3 CH3 -CH-CH-CH3 and CH3 - CH2 - C-CH3 сна СН3 CH3 - CH2 and CH3 - CH2 - CH2 СН2-СН3 СН3 CH3 СН3 o CH3-CH-CH-CH3 and CH3-CH2-C-CH3 сH3 СН3 CH3 - CH2 and CH3 - CH2 - CH2 СН2-СН3 сHз CH3 CH3 СН3 о сH2...
The following pair of structures represent: C CH3-CH-CH2-CH, CH3-CH2-CH-CH y y CNS CA CH3 the same compound structural isomers different compounds O cis-trans isomers
a. For each pair of compounds, tell whether the structural formulas shown represent the same compound, different compounds that are constitutional isomers or different compounds that are not constitutional isomers. [4 x 1 mark] (1) and (11) and (111) and (iv) and b. Draw a structural formula for each compound. 1 (3E, 62) 2,9-dimethyl-3,6-decadiene (i) 1,6-Heptadiyne (111) 3-phenyl-1.3-butanediol [1 mark] [1 mark] [1 mark] c. Give TWO chemical tests which are indicated by a change in colour, (write the equation...
Examine the following compounds. CH3-CH2-CH2-CH)-CH2-CH3 НО-СН-СН-CH--CH--CH-ОН С A ОН Но-СН--СH-CH-CH--CH-ОН CH--CH-CH-СH--CH-ОН D would be the most soluble in water Structure O A В O C O D
Be sure to answer all parts. Give the IUPAC name for the following compound. CH3CH2CH(CH3)CH(CH3)CH(CH2CH2CH3)(CH2)3CH3
Question 15 Identify each of the following structural formulas as: 0 11 CH3-C-H O 11 CH3-C-CH3 A. MCH3-O-CH2-CH3 A. Propanal B. dimethyl ketone (propanone) C. ethanal D. Ethyl methyl ether 0 11 CH3-CH2-C-H
Which of the following is a tertiary alcohol? CH3CH2-CH-CH2CH2CH3 CH2CH2CH2OH CH3CH2-CH-CH3 OH CH2CH2CH3 CH3 CH2-C-CH2CH3 OH LOH CH2CH3 Reset Selection Type here to search
Need help on these questions 1) Draw condensed structural formulas for the following organic compounds Organic Name Condensed Structural Formula 1,1,1-trichloroethane (2) 2,3-dibromo-1-fluoro-2,4,5- trimethylhexane (4) 2,2-dimethylpropane (2) 2) Draw the line structural formulas for the following organic compounds Organic Name Line Structural Formula 3-isopropylhexane (2) 1,1,2-tribromopropane (2) 2,3,5,5-tetramethyloctane (2) 5) For the following organic molecule put circles around primary carbons squares around secondary carbons, triangles around tertiary carbons.(3) CH3 CHз I CH2-C I -CH— сHз CH2 CH3 I CHз 6)...
1. Examine the structural formulas of the three biological molecules A, B, and C shown below. (NOTE: The zigzag lines and polygons represent carbons with C-H bonds omitted!) н. сн, Н,с. сн C H OH H,с н HO C-H Ш сн, H2C-o H C OH П I HC-0 H -C OH но Hас—о CH-он C В Circle the polar sites on each of these molecules a. b. Which of these molecules is/are soluble in water? Explain briefly.
CHEM 1152K Total Points: 20 Seat: Quiz 1 Name: Lab Instructor: Lab Day: _Lab partner:__ Date: Lab time: 1. All of the following are representations of the same molecule except a) C4H8 b) cyclobutane c)CH2CH2CH2CH2 d) Ho-Cha Hobro 2. The various shapes taken on by an organic molecule are known as a) Conformations b) Constitutional isomers c) Configurations d) Geometrical isomers 3. How many hydrogens are found in a straight chain alkanes with four carbons? 4. Which of the following...