Description : The R/S designation for the following stereoisomers of 1,3-Dibromo-2-methylbutane is :
Last Answer : The R/S designation for the following stereoisomers of 1,3-Dibromo-2-methylbutane is : A. 2R, 3R B. 2R, 3S C. 2S, 3R D. 2S, 3S
Description : Ascorbic acid can reduce (A) 2, 4-dinitro benzene (B) 2, 6-Dichlorophenol Indophenol (C) 2, 4-dibromobenzene (D) 2, 6-dibromo benzene
Last Answer : Answer : B
Description : 1,3-Butadiene reacts with bromine to mainly give (a) 3,4-Dibromo-1-butene (b) 4-Bromo-1-butene (c) 1,4-Dibromo-2-butene (d) 1-Bromo-2-butene
Last Answer : 1,4-Dibromo-2-butene
Description : Ascorbic acid can reduce A) 2, 4-dinitro benzene (B) 2, 6-Dichlorophenol Indophenol (C) 2, 4-dibromobenzene (D) 2, 6-dibromo benzene
Last Answer : (B) 2, 6-Dichlorophenol Indophenol
Description : The hydrolysis of 2-bromo-3-methylbutane by `S_(N^(1))` mechanism gives meinly:
Last Answer : The hydrolysis of 2-bromo-3-methylbutane by `S_(N^(1))` mechanism gives meinly: A. 3-methyl-2- ... . 2,2-dimethyl-2-propanol D. 2-methyl-1-butanol
Description : Out of pentane, 2-methylbutane and 2,2-dimethylpropane which has the highest boiling point and why?
Last Answer : Ans. Pentane having a continuous chain of five carbon atoms has the highest boiling point (309.1K) whereas 2,2 - dimethylpropane boils at 282.5K. With increase in number ... and therefore weak intermolecular forces between spherical molecules, which are overcome at relatively lower temperatures
Description : Which of the alkyl chlorides listed below undergoes dehydrohalogenation in the presence of a strong base to give 2-pentene as the only alkene product? (a) 1-chloropentane (b) 2-chloropentane (c) 3-chloropentane (d) 1-chloro-2-methylbutane
Last Answer : 3-chloropentane
Description : Catalytic hydrogenation of 3-methyl-1-butene gives : (a) Isobutane (b) 2,2-Dimethylbutane (c) 2-Methylbutane (d) 2,3-Dimethylbutane
Last Answer : 2-Methylbutane
Description : Which compound is not an isomer of the other three? (a) n-Pentane (b) 2,2-Dimethylpropane (c) 2-Methylbutane
Last Answer : 2,3-Dimethylbutane
Description : What's the difference between EF and EF-S designation for Canon lenses?
Last Answer : EF means that it is an electronic focus lens, basically every lens made since the late 80s. Also called auto focus. EF-S are crop sensor camera lenses. They will only fit on APS-C cameras, which ... L lens you know you are getting the best optical quality available. You will also pay dearly for it.
Description : In radio regulation, the first symbol in the designation of radio emission is ______. A. Bandwidth B. Nature of signal(s) modulation the main carrier C. Type of modulation of the main carrier D. Type of information to be transmitted
Last Answer : C. Type of modulation of the main carrier
Description : is a Fischer projection of one of_______ stereoisomers ?
Last Answer : is a Fischer projection of one of_______ stereoisomers ? A. 2 B. 4 C. 8 D. 12
Description : The number of stereoisomers of compound `CH_(3)-CH=CH-CH(Br)CH_(3)` is :
Last Answer : The number of stereoisomers of compound `CH_(3)-CH=CH-CH(Br)CH_(3)` is : A. 2 B. 3 C. 4 D. 6
Description : The total number of cyclic structure as well as stereoisomers possible for a compound with the molecular formula `C_(5)H_(10)` is:
Last Answer : The total number of cyclic structure as well as stereoisomers possible for a compound with the molecular formula `C_(5)H_(10)` is:
Description : Total number of stereoisomers possible for the given structure excluding the configuration mentioned is :
Last Answer : Total number of stereoisomers possible for the given structure excluding the configuration mentioned is :
Description : Total number of optically active stereoisomers of `CH_(3)-underset(overset(|)(CI))(C)H-CH=CH-underset(overset(|)(CI))(C)H-CH_(3)` are :
Last Answer : Total number of optically active stereoisomers of `CH_(3)-underset(overset(|)(CI))(C)H-CH=CH-underset(overset(|)(CI))(C)H-CH_(3)` are :
Description : Total number of stereoisomers of compound `CH_(3)-CH=CH-underset(overset(|)(CI))(C)H-CH=CH-CH_(3)` are :
Last Answer : Total number of stereoisomers of compound `CH_(3)-CH=CH-underset(overset(|)(CI))(C)H-CH=CH-CH_(3)` are :
Description : How many stereoisomers are possible for
Last Answer : How many stereoisomers are possible for A. 128 B. 64 C. 32 D. 16
Description : Total number of optical active stereoisomers of the following compound is : `CH_(3)-CH=CH-CHCI-CH=C=CH-CH=CH-CH_(3)`
Last Answer : Total number of optical active stereoisomers of the following compound is : `CH_(3)-CH=CH-CHCI-CH=C=CH-CH=CH-CH_(3)` A. 8 B. 6 C. 16 D. 10
Description : Total number of optically stereoisomers of `CH_(3)-underset(overset(|)(CI))(C)H-underset(overset(|)(CI))(C)H-underset(overset(|)(CI))(C)H-CH_(3)`
Last Answer : Total number of optically stereoisomers of `CH_(3)-underset(overset(|)(CI))(C)H-underset(overset(|)(CI))(C)H-underset( ... CH_(3)` A. 2 B. 4 C. 6 D. 8
Description : Total number of optically active stereoisomers of tartaric acid is
Last Answer : Total number of optically active stereoisomers of tartaric acid is A. 2 B. 4 C. 3 D. 0
Description : Total number of stereoisomers of compound is: `CH_(3)-underset(overset(|)(OH))(C)H-underset(overset(|)(Br))(C)H-CH_(3)`
Last Answer : Total number of stereoisomers of compound is: `CH_(3)-underset(overset(|)(OH))(C)H-underset(overset(|)(Br))(C)H-CH_(3)` A. 2 B. 4 C. 6 D. 8
Description : Stereoisomers which are not mirror image of each other, are called.:
Last Answer : Stereoisomers which are not mirror image of each other, are called.: A. Enantiomers B. Tautomers C. Meso D. Diastereomers
Description : Stereoisomers have different:
Last Answer : Stereoisomers have different: A. Molecular formula B. Structural formula C. Configuration D. Molecular mass
Description : For the given compound `CH_(3)-underset(overset(|)(OH))(CH)-CH=CH-CH_(3).` (i) Total number of stereoisomers. (ii) Number of opticallly active stereoi
Last Answer : For the given compound `CH_(3)-underset(overset(|)(OH))(CH)-CH=CH-CH_(3).` ... number of fractions on fractional distillation of all stereoisomers.
Description : Number of stereoisomers of glucose is (A) 4 (B) 8 (C) 16 (D) None of these
Last Answer : C
Description : Compounds having the same structural formula but differing in spatial configuration are known as (A) Stereoisomers (B) Anomers (C) Optical isomers (D) Epimers
Last Answer : A
Description : α-D-glucose and β -D-glucose are (A) Stereoisomers (B) Epimers (C) Anomers (D) Keto-aldo pairs
Description : Two sugars which differ from one another only in configuration around a single carbon atom are termed (A) Epimers (B) Anomers (C) Optical isomers (D) Stereoisomers
Description : How many stereoisomers are possible for a 2-ketohexose? (a) 2 (b) 4 (c) 8 (d) 16
Last Answer : 8
Description : Which of the statements is correct about diastereomers? (a) They are stereoisomers that are not enantiomers. (b) They are a pair of identical isomers. (c) They are a pair of isomers that are mirror images. (d) All their asymmetric centers are the same.
Last Answer : They are stereoisomers that are not enantiomers
Description : . A and B are stereoisomers. They are nonsuperimposable and are mirror images of one another. Which of the following best describes the relationship between A and B? (a) structural isomers (b) enantiomers (c) cis-trans isomers (d) diastereomers
Last Answer : enantiomers
Description : Ethanol (CH3CH2OH) and dimethyl ether (CH3OCH3) are best considered : (a) structural isomers (b) stereoisomers (c) enantiomers (d) diastereomers
Last Answer : structural isomers
Description : Two compounds have the same composition and also have the same atoms attached to the same atoms, although with different orientations in space. These compounds are (a) Identical (b) Position isomers (c) Structural isomers (d) Stereoisomers
Last Answer : Stereoisomers
Description : Ethambutol molecule has (A) two chiral centers and 3 stereoisomers (B) two chiral centers and 4 stereoisomers (C) two chiral centers and 2 stereoisomers (D) one chiral center and 2 stereoisomers
Last Answer : (B) two chiral centers and 4 stereoisomers
Last Answer : (A) Stereoisomers
Last Answer : (A) Epimers
Description : "Mirror-image" molecules are called: w) stereoisomers x) structural isomers y) diastereomers z) constitional isomers
Last Answer : ANSWER: W -- STEREOISOMERS
Description : Does the designation “emotional support animal” make any sense?
Last Answer : This page outlines the legal distinction between emotional support animals and service animals. They are considered to be different things. But it sounds like you are opposed to the concept of an emotional support ... it should be thought of as no different than a service animal for the blind, etc.
Description : What is the qualification for designation as Hawk-Eagle ?
Last Answer : answer:Taxonomy of the Changeable Hawk Eagle There are also Ornate, Mountain and African Hawk Eagles. http://en.wikipedia.org/wiki/Ornate_Hawk-Eagle http://en.wikipedia.org/wiki/Mountain_Hawk-Eagle http://en.wikipedia.org/wiki/African_Hawk-Eagle
Description : What does the designation medium or high mean on contact lenses?
Last Answer : answer:Bifocal contact lenses generally contain one additional number which is the add power. A special field will be given for this number. Notes 1. A contact lens prescription is not the same as ... correct for it by changing the power of the lens. Still Have Questions? Email : [email protected]
Description : What does the Hertz (Hz) designation in LCD TV specs mean?
Last Answer : The refresh rate of the picture; as the screen is drawn , the pixels are refreshed a certain number of times per second, thus refresh rate. Rate is measured in cycles per second and ... , as some camera technologies suffer from refresh issues when acquiring the image (CMOS sensors in particular).
Description : What is the designation of a District Judge when he deals with criminal cases? -SST 10th
Last Answer : When a District Judge deals with criminal cases he is called a Sessions Judge.
Description : which of the following is a scientific species designation? -General Knowledge
Last Answer : Homo sapiens is a scientific species designation.
Description : Consider the following table: Employee EmpNo EmpName Designation -Technology
Last Answer : 1. EmpNo can be selected as a primary key.2. EmpName is having unique values, but there is no guarantee that if more employees are included then there would not be multiple people with similar names.So, in future, its values may be duplicate. Thus, it cannot be made as a primary key.
Description : What is the meaning of Designation ?
Last Answer : Designation means surname.