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Concept explainers
Interpretation:
The statement concerning
Concept Introduction:
Hydrocarbons are the organic compounds that contain only hydrogen and carbon atoms. Hydrocarbon derivatives are the one in which the compounds contain hydrogen and carbon atoms along with one or more additional elements. The additional elements that can be present in hydrocarbon derivatives are oxygen, nitrogen, sulphur, chlorine, bromine etc.
Hydrocarbons are further classified into two categories. They are saturated hydrocarbons and
Saturated hydrocarbons are
Alkane has general molecular formula as
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Chapter 13 Solutions
EBK GENERAL, ORGANIC, AND BIOLOGICAL CH
- Which of the followings statements is false considering the properties of alkaloids: Select one: a. Some alkaloids are colored, like berberine (orange) and sanguinarine (yellow) b. Caffeine, cocaine, codeine and nicotine are water soluble, whereas others, including morphine and yohimbine are highly water soluble c. Most alkaloids contain oxygen in their molecular structure; those compounds are usually colorless crystals at ambient conditions d. Many alkaloids dissolve poorly in water but readily dissolve in organic solvents, such as diethyl ether, chloroform or 1,2-dichloroethane e. Most alkaloids have a bitter taste or are poisonous when ingestedarrow_forwardThe colour change for the test reaction of an alkene with KMNO4 is from: A. Purple to black/brown B. Purple to orange C. Orange to purple D. Orange to black/brown E. Purple to yellowarrow_forwardDefine the following terms: a. reducing sugar b. alditol c. enediol d. acetal e. ketalarrow_forward
- What coefficients must be placed in the following blanks so that all atoms are accounted for in the products?C6H12O6 → ________ C2H6O + ________ CO2 Group of answer choices A. 2; 1 B. 3; 1 C. 1; 3 D. 2; 2arrow_forwardIdentify ALL the CORRECT statements regarding the compound shown below. SELECT ALL THAT APPLY A. The compound is a heterocycle B. The compound is found in DNA C. The compound is a pentose sugar D. The compound is a purinearrow_forwardWhat is the common structural feature of terpenes? A. All terpenes contain the isoprene unit B. Terpenes function by helping many physiological processes, such as light transducing reactions, absorption of minerals, synthetic reactions, etc. C. Terpenes have the same structure as fatty acids except for the absence of the carboxyl functional group D. Both A and B E. All of these.arrow_forward
- Indicate whether each of the following statement about enantiomers is True or False. a. Enantiomers always have the same molecular formula. b. Enantiomers always have the same structural formula. c. Enantiomers are always nonsupetrimposable mirror images of each other. d. Enantiomers always differ in handedness.arrow_forwardThe analgesic phenacetin is synthesized by treating 4- ethoxyaniline with acetic anhydride. a. Which of the following is the structure of 4- ethoxyaniline? OCH₂CH3 NH₂ OCH₂CH3 NH₂ OCH₂CH3arrow_forwardThe molecular formula for glucose is C6H12O6. What would be the molecular formula for a polymer made by linking ten glucose molecules together by dehydration reactions? Group of answer choices A. C60H120O60 B. C60H102O51 C. C60H100O50 D. C60H111O51 Use the following information to answer the following questions."The native structure of hemoglobin (HB) comprises of two α and two β subunits, each of which carries a heme group. There appear to be no previous studies that report the in-vitro folding and assembly of Hb from highly unfolded α and β globin in a 'one-pot' reaction. One difficulty that has to be overcome for studies of this kind is the tendency of Hb to aggregate during refolding. This work demonstrates that denaturation of Hb in 40% acetonitrile at pH 10.0 is reversible." (J Am Soc Mass Spectrum 2007, 18, 8-16)In sickle-cell disease, as a result of a single amino acid change, the mutant hemoglobin tetramers associate with each other and assemble into large fibers.…arrow_forward
- The questions ask you to identify which compounds have a specific functional group. For each compound that has the designated group, enter the appropriate number(s) in the answer box. Note if the answers are more than one write it in the following manner, for example, 2 and 6. a. Which have a ketone carbonyl group? b. Which have aromatic rings? c.Which have a hydroxyl group? d. Which have an amide group?arrow_forwardWhich of the following statements correctly describe(s) the general structure of steroids? a.2 6-membered ring and 2 5-membered ring b.3 6-membered ring and 1 5-membered rings c.1 6-membered rings and 3 5-membered ring d.3 6-membered ring and 1 4-membered ringsarrow_forwardA carboxyl group is symbolizeda. —OH.b. —NH2.c. —CH3.d. —CH2OH.e. —COOH.arrow_forward
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