Two of most unique elements on the periodic table are hydrogen and helium. What makes them so unique and removed from the other groups on the periodic table? O a Unlike all other elements, hydrogen and helium are gases O b Unlike all other elements, hydrogen and helium are not considered metals Unlike all other elements, hydrogen and helium only have a maximum of 2 valence electrons Halike all other elements hydrogen and helium have very limited properties

Q: How many hydrogens does a compound made of eight carbons, two oxygens, two rings, and one double…

A:

Q: don’t understand, what is the difference between conformational structures of a molecule and…

A: Conformational isomerism is a form of stereosiomerism in which isomers can be interconverted by…

Q: Question 5 Which onels) of these is/are aromatic? D OC OB O none of them O Band D O Aand C O A, B,…

A: Those compounds which have Following properties are Present, are called aromatic compounds - (1)…

Q: Optical isomers are also called enantiomers. True or false?

A: Enantiomer is the compound that has non-superimposable mirror images to each other. They are capable…

Q: Draw structures for a) (2E,4Z) - hepta-2,4-diene b) (S) - 2-bromobutane

A: R configuration - rotate clockwise S configuration - rotate anticlockwise E= trans isomer z= cis…

Q: Opioids are compounds derived from opium, which comes from the opium poppy. Although in reality, all…

A: SOLUTION: In order the medicine to work on a body, it has to be absorbed well by the body. For a…

Q: Which of the following is true of conformational isomers? O A. They arise from rotation about single…

A: isomer are pair of compound which have same molecular formula but diffferent structural formual

Q: 2.Organic compounds are divide to O A - Aromatic hydrocarbons. OB-Aliphatic hydrocarbons. OC -…

A: We can classify organic compounds on two bases 1. Based on their structure 2. Based on their…

Q: Draw the structures of the following heterocyclic compounds: 1- 2- 1,2,5- Oxadiazolidine…

A: The hetero atoms of heterocyclic compounds are prefixed as follows: Nitrogen - Aza Oxygen - Oxa The…

Q: Question 15 In the blank for each molecule, enter A, B or C according to the code below: A-aromatic…

A: For a molecule to be aromatic, it should satisfy the below conditions:

Q: Ex. 2,3-dimethylpentane CH3 CH3 CH-CH-CH-CH- CH3

A: This below is the structure of aniline showing its ortho meta and para positions  So this is the…

Q: Draw the structure of an optimized meta-arenium ion of aniline molecule.

A: Arenium ion results from the electrophilic attack by an electrophile to the benzene ring. One C=C…

Q: Draw the R and S isomers of C9H19F then state where you will dispose it.

A: According to priority rules, R and S are assigned on the basis of priority given to the 4 different…

Q: In the Cahn-Ingold-Prelog Convention, used for determining enantiomers and E/Z isomers, bromine…

A: The purpose of the Cahn-Ingold-Prelog convention is to assign the name to a specific stereoisomer of…

Q: Pick the aromatic molecules оооо DA OB DC OD A B C D

A: pick up the aromatic compound from the data.Based on Huckel's rule , we can find the aromatic…

Q: Date No. Structural formula Draw the of condensed the Compound.

A:

Q: What are cluster compounds?

A: Metаl сluster  соmроunds соntаin  metаl-metаl  bоnds.  The  fосus  here  is  оn соmроunds hаving…

Q: Br (Ch3Ch2Ch2)2Cu Li FeBr3, Br2

A: Given reaction,

Q: which is the e-isomer?

A: When substitute group are opposite side on double bond. Is called E isomer.

Q: Like other isomers, two cis-trans isomers have the same atomic weight. They also yield the same…

A: We are to discus how can we distinguish in cis and trans isomers in lab.

Q: Why do the trans- and cis- dichloroethenes have different melting and boiling points?

A: The objective of the question is to find the reason for different melting and boiling points for…

Q: 59. Bond Strength I. Cyclobutane II. Cyclopentane 60. Optical Rotation I. 70% R, 30% S 11.30% R, 70%…

A:

Q: HI Br Br Br H Br Brи Ill

A: Concept  1) Enantiomers are the non superimposable mirror images to each other.  2) Diastereomers…

Q: why these chemical structures are Synthetic.

A: The structure which shows the atoms of the molecule, their position, bonding with each other and the…

Q: .Discuss how aromaticity is affected in large ring compounds.

A: In large compounds, the atoms are arranged in the form of a large ring. In organic chemistry,…

Q: Which of the following compounds would you expect to have the greatest density:…

A: Density is defined as mass per unit volume of a substance. It is an intensive property which depends…

Q: Do cyclic compounds have (E)/(Z) nomenclature? Would both double bonds in this case be subject to…

A:

Q: Why are fuctional groups important? How can we use them to help organic chemistry ( reactions,…

A:

Q: 22. Which statement is CORRECT? (1) Structural (constitutional) isomers are compounds that contain…

A: Structural isomers  are those which have the same molecular formula but different structural…

Q: What is the relationship between Compound 1 and Compound 3?

A: We have to identify the relationship between the compounds

Q: 3. Provide structures for the missing products 1. THF.BH3 2. Н,О, /NaOН (aq) Cl, (in methanol) 3.2.…

A: Hydroboration oxidation follows anti-Markovnikov mechanism. Thus the product formed is as follows:

Q: The octane rating for gasoline is a measurement of how readily a fuelcombusts compared to…

A: a. The structure of 2, 2, 4-trimethylpentane is: The structure of octane is: The molecular formula…

Q: c) The first molecule: trans-2-butene. The second molecule is a mirror image of trans-2-butene. Both…

A: molecules will form optical isomers if they are in non-superimposable mirror image relationship.

Q: Classify all functional groups B. Classify if they are constitutional isomers, stereoisomers…

A: Functional groups are the atoms or molecules in the compound having different chemical properties.

Q: appropriate torg. 5. Aromatic ketones can be prepared by of an aromatic ring 6. Acetaldehyde…

A:

Q: (c) 2,4-Dichloro-2-pentene (E), (R) isomer name: (Z), (R) isomer name:

A: Given is organic compound .The name of given compound is,2,4-dichloro-2-pentene

Q: Carbon, like the initial member of other groupings, is distinct from the rest of its peers. The…

A: Answer :-  (c) React directly with halogen under suitable condition to make halides…

Q: How do you draw the structure of bicycle[2,2,1]heptane ?

A: The structures of bicyclo compounds can be drawn by taking total no. carbon atoms in consideration…