When a photochromic spironyran is exposed to UV light, it forms an ionic form of isomer. In which solvent the onic form of the spiropyran will take a longer time to relax back to the original non-ionic isomer? . O cyclohexane toluene methyl alcohol xylene

When a photochromic spironyran is exposed to UV light, it forms an ionic form of isomer. In which solvent the onic form of the spiropyran will take a longer time to relax back to the original non-ionic isomer? . O cyclohexane toluene methyl alcohol xylene

Organic Chemistry

9th Edition

ISBN:9781305080485

Author:John E. McMurry

Publisher:John E. McMurry

Chapter4: Organic Compounds: Cycloalkanes And Their Stereochemistry

Section4.3: Stability Of Cycloalkanes: Ring Strain

Problem 8P: Each Hâ†”H eclipsing interaction in ethane costs about 4.0 kJ/mol. How many such interactions are...

See similar textbooks

Related questions

Q: Provide the product structure of crossed Adol condensation reaction between cyclohexane and…

A: NOTE: It will be between cyclohexanone and p-anisaldehyde and not cyclohexane and p-anisaldehyde.…

Q: CI СООН CH3 NO2 A B C D

A: The electrophilic substitution reaction depends on the Group present in the ring .

Q: When we have discussed the enol-keto tautomerization of ketones in class, the isomerization has been…

A: During the keto-enol tautomerism, it is observed that the molecule prefers to stay in keto form when…

Q: Write a stepwise mechanism for each of the following reactions. Explain why a more stable alkyne…

A: The stepwise reaction mechanism of the first reaction is shown below.

Q: How to distinguish between 1,2 cyclohexen and Benzene by using the following :1-KMNO4 2-Combusition…

A: A simple test with bromine water can be used to tell the difference between benzene and an alkene.…

Q: Which of the following is expected to give a positive iodoform test? A) B) CH3 OCH3 C) D) OCH3 CH3

A: Iodoform test is an oxidation reaction specific for methyl ketones and acetaldehyde. The reaction of…

Q: The catalytically active species responsible for the catalytic conversion of the compound *…

Q: The same alkane is obtained from the catalytic hydrogenation of both alkene A and alkene B. The heat…

A: The same alkane is obtained from the catalytic hydrogenation of both alkene A and alkene B. The heat…

Q: Which one of the statements below is wrong about Zaitsev’s Rule. a. None of the above

A: Zaitsev's rule help us in predicting that which alkene product is favoured in elimination…

Q: Chlordane, like DDT, is an alkyl halide that was used as an insecticide for crops such as corn and…

A: The other reactant is cyclopentadiene.

Q: Using Halogenation in Synthesis Show how cyclohexane can be converted to cyclohexene by a stepwise…

A: Cyclohexene formation from cyclohexane is done by hydrogenation of benzene. First step will be…

Q: explain why homolysis of the O-H bond in phenol requires considerably less energy than homolysis of…

A: a) O-H bond in phenol is more polar as compared to O-H bond in ethanol. This is because the…

Q: Acid catalyzed dehydration reaction of 2-methyl-1-butanol produces 2-methyl-2-butene as the major…

A: The question is based on the concept of organic reactions. we have to explain the reason of…

Q: Gilman reagents are versatile reagents for making new carbon-carbon bonds. Complete the following…

A: The synthesis of reagent transformation is shown below,

Q: ose the best starting alkyne for the reaction in the im

A: Various organic compounds are converted to other organic compounds with the help of some reagents.

Q: Alkenes can be hydrated via the addition of borane to yield alcohols with non-Markovnikov…

A: In an organic reaction mechanism, a curved arrow represents the transfer of electrons. In an organic…

Q: Pick the reactant or solvent in each part that gives the faster SN2 reaction.a. reaction of -OH with…

Q: What type of reaction mechanism accounts for the reaction of an conjuagted diene with aqueous acid…

Q: Provide a short answer for why the secondary alkyl halide is the major product versus the tertiary…

A: Note : Secondary alkyl halide is more substituted olefin threrefore more stable. More stable product…

Q: Match the species with the description of its reactivity. alkene chloride 1. nucleophile carbocation…

Q: a convenient method For making the bollowing Give conversions cyclopropyne a dibromocyclopropane

A: Given: cyclopropyne and 1,1-dibromocyclopropane To find: convert cyclopropyne and…

Q: Q) Write the structure of the Dieckmann cyclization product formed on treatment of each of the…

Q: Which solvent are non polar? Ethylene glycol, cyclohexane ,dioxane, acetronilie or ethanol

A: To solve this problem we have to know about polar and non polar solvents .

Q: Rank the reactivity of the following alkenes toward acid-catalyzed hydration from most reactive to…

A: Hydration of alkene in the presence of acid proceeds with the formation of a carbocation…

Q: The specific role of the solid catalysts in hydrogenation is attracting the alkene molecules for the…

A: Given : Hydrogenation process. To find : specific role of metal catalyst. Solution : As we know…

Q: which is most thermodynamically stable menthol or neomenthol

A: The stability of a cyclic hexane compound is determined based on the substituent present on the…

Q: 1-pentanol + NaBr/H2SO4 -> 1-bromopentane Is this substitution reaction reversible? In other words,…

A: A reversible reaction attains an equilibrium state at a time t.

Q: Use electronic factors to explain why methy carbanion is more stable than tertiary butyl carbanion

A: In hydrocarbons, carbon and hydrogen atoms are bonded to each other by a single bond. Carbon-carbon…

Q: Arrange according to melting temperature (highest to lowest). Arrange according to the tendency to…

A: As per the guideline, since you have posted a question with multiple sub-parts, we have solved the…

Q: Place the following cyclic compounds in order from highest to lowest stability. For the lower…

A: cyclopropane and cyclobutane are less stable than cyclohexane, because the smaller rings are more…

Q: Consider the possibilities for stereoisomerism in the bromohydrin and epoxide formed from…

A: The number of stereoisomers are possible for bromohydrin has to be given.

Q: What happens when the following is added to conc. Sulfuric acid? (a) Cyclohexane (b) Cyclohexene…

A: We have to tell the observation when we add cyclohexane, cyclohexene and toluene to concentrated…

Q: which of the follbowhy will show optical ativity? CHOCH3 (3) cool (2) H CHo CH3 CHLCH3 (4) HO OH- HO…

A: Molecule which is non-superimposible on its mirror image is said to be chiral and show optical…

Q: In the presence of aqueous KOH, alkyl halide will prefer: elimination O Substitution O Addition…

A: Aqueous KOH is a strong nucleophile OH- . On reaction with alkyl halide and aqueous KOH there is…

Q: Using the relative reactivity values shown below, estimate the %yield of each of the two…

A: Butane having 6 primary hydrogens and 4 secondary hydrogens. Therefore bromination of butane results…

Q: Give the IUPAC name of the 1,4-addition product of the reaction between 2-methylpenta-1,3-diene with…

Q: How process of ring-flipping also affects the orientation of cyclohexane's hydrogen atoms ?

A: Ring flip is the process of interconversion of cyclic conformers of same shape.

Q: Compound X is insoluble in cold KMNO4, Br2 is insoluble in CCI4, and H2SO4 is insoluble in…

Q: Bromine in methylene chloride is added in stoichiometric proportions to cyclopentane, What color is…

A: Bromine in methylene chloride is used for the determination of unsaturated compounds. In the bromine…

Q: Chemical reactions: (1) Color KmnO4 and Cylohexane ____________________ (2) Color KmnO4 and…

A: KMnO4 has purple colour. If it reacts with alkene to give cis-diol then purple colour changes to…

Q: Which of the following statements is true? The more stable alkene product is formed in the…

A: The statements which are true are, The more stable alkene product is formed in the dehydration of…

Q: Which of the following is (are) correct resonance structrure(s) for the intermediate formed in the…

Q: (b) Compare with explanation the acidity between cyclopentadiene and cycloheptatriene. HH H.…

A: The acidity of the cyclopentadiene and cycloheptatriene can be compared by the aromatic character in…

Q: The alkyl halide shown below in line-bond structure is the product of ethene hydrohalogenation.…

A: Answer - The correct option is - A , B and D Explanation - According to the question - A, B and D…

Q: Provide a short answer for why the secondary alkyl halide is the major product versus the tertiary…

A: Note : tertiary radical is more stable. A kinetic product is formed via more stable intermediate at…

Q: What reaction type is responsible for the de-colorization of bromine water exposed to cyclohexene?

A: We have to tell which option is correct from given choices

Concept explainers

Alkynes

Alkynes are organic compounds that contain at least one triple bond between carbon-carbon atoms. They are a series of unsaturated compounds with a general molecular formula, CnH2n-2.

Question

When a photochromic spironvran is exposed to UV light, it forms an ionic form of
isomer. In which solvent the onic form of the spiropyran will take a longer time to
relax back to the original non-ionic isomer? .
O cyclohexane
toluene
methyl alcohol
O xylene

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

Circle the functional group that will be oxidized on the startingcompound. Give the products of each reaction. Circle thefunctional group formed. List the advantages and disadvantagesof each oxidation method.
Ethers can be prepared by reaction of an alkoxide or phenoxide ion with aprimary alkyl halide. Anisole, for instance, results from reaction of sodiumphenoxide with iodomethane. What kind of reaction is occurring? Show themechanism.
It is sometimes necessary to isomerize a cis alkene to a trans alkene in asynthesis, a process that cannot be accomplished in a single step. Usingthe reactions , devise a stepwise method to convert cis-but-2-ene to trans-but-2-ene.
Explain why toluene did or did not react witj permanganate solutions
What happens when the following is added to conc. Sulfuric acid?(a) Cyclohexane (b) Cyclohexene (c) TolueneWrite observation in descriptive type (words).
Convert alkene A into alkyne B by a stepwise method.
Finished A-C need help with the remaining D-I
1. Using Br2 in C2H4Br2 will result in HBr and ______. a. C2H3Cl3 b. C2H4Cl3 c. C2H2Cl3 d. none of the above 2. How many halogenation are posible in propane? a. 3 b. 8 c. 6 d. 10 3.Sulfonation of pentane will result in ________ and water. a. C5H11SO3H b. C5H12SO3H c. C5H14SO3H d. none of the above 4.Nitration of hexane will result in ________ and water. a. C6H13SO3H b. C6H15NO2 c. C6H13NO2 d. C6H14NO2 5.How many moles of O2 in heating a C12H26 (dodecane) a. 27 b. 37 c. 24 d. none of the above
Draw and name ethers andheterocyclic ethers, includingepoxides. Explain the trends intheir boiling points, solubilities,and solvent properties
Build a model of methylcyclohexane, and use the model to complete the following Newmanprojections of methylcyclohexane in the chair conformation: a. When the methyl group is in an axial or equatorial (circle one) position, the molecule is inits lowest potential energy conformation. b. Label one Newman projection above anti and the other gauche to describe the relationshipbetween the methyl group and C3 of the ring. c. In general, which is a lower PE conformation, anti or gauche? d. Explain how your answer to b and c provide an explanation for why it is more favorable fora large group to be in an equatorial than an axial position.
Rank the following alkenes from most to least stable
Draw a flowchart to explain the mechanisms in alkene and alkyne chapter