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…

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Q: Define each type of isomer: (a) constitutional; (b) geometric;(c) optical. Which types of isomers…

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Q: Is it planar? Is it aromatic?

A: Highly stable conjugated cyclic compounds that do not give addition reactions and follow the Huckel…

Q: CH2 A B

A: The compounds which are cyclic, conjugated and follow (4n+2)π electrons are aromatic in nature while…

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: are OP H aroma

A: If a species is aromatic, It should be: Molecule or species should be planner in shape. Molecule…

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: 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: 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: "The cis isomer has two groups on the same side of the double bond" Define this ?

A: The isomer with the same substituents on the same side of the double bond is called cis isomer, a…

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 and name the 6 pentene isomers, CsH10, including E, Z isomers.

A: The compounds with the same molecular formula but the bonds connectivity is different, known as…

Q: question 39   Rank the following groups in order of priority from highest (1) to lowest (3).…

A: We have been given three groups -COO-, -CH3 and .-NHCH3. we have been asked to rank these three…

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.

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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: 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: C5H8Cl2    can you name and draw all isomers , make sure each has a 5 membered cyclic ring . And…

A: Isomers are compounds in which the molecular formula of the compound is identical while the…

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

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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…

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Q: C11. The reason(s) why carbon dioxide represents the most oxidized form of carbon is A) the…

A: Carbon dioxide is a compound containing one carbon atom and two oxygen atoms. It is the gas that…

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: 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: What is the monomer unit of Saran?

A: What is the monomer unit of Saran ?

Q: ve the number of monochloro substituted products for the lowing reactants. Consider only…

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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…

Q: Organic chemistry refer to.1 A. Study carbon compounds. O B. Study carbon and hydrogen compounds C.…

A: Please refer to below answer.