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A: The correct option is a) Isopolyacids are formed by polymerization of oxoanions of metals of groups…
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Q: None
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Q: Please correct answer and don't use hand rating
A: Step 1The isomers that are formed due to a rotation about the sigma bond with different…
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A: May this answer helpful to you.
What are perovskites?
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- Q)Explain with an example. a) Markovnikov’s rule. b) Zaitsev’s rule.Chemistry HH H-C-O H a. glucose (an aldohexose) CH12Os 8€ H-OHHO-H Construct a model of glucose. You will need to arrange the molecules in a "chair" configuration. H H-OH нсон gam COH 4-C ночи CO-H fructose (a ketohexose) C6H12O6 Construct a model of fructose. What is the relationship between glucose and fructose? (Hint: see their molecular formulas) H H-O O-Ha. Use bond energies (see Table 3-3) to estimate H for the reaction of two molecules of glycine to form a peptide linkage. b. Would you predict S to favor the formation of peptide linkages between two molecules of glycine? c. Would you predict the formation of proteins to be a spontaneous process?
- 22-62 Distinguish between intermolecular and intramolecular hydrogen bonding between backbone groups. Where in protein structures do you find one, and where do you find the other?22-85 Denaturation is usually associated with transitions from helical structures to random coils. If an imaginary process were to transform the keratin in your hair from an (-helix to a (-pleated sheet structure, would you call the process denaturation? Explain.Describe the structural differences between DNA and RNA. The monomers in nucleic acids are called nucleotides. What are the three parts of a nucleotide? The compounds adenine, guanine, cytosine, and thymine are called the nucleic acid bases. What structural features in these compounds make them bases? DNA exhibits a double-helical structure. Explain. Describe how the complementary base pairing between the two individual strands of DNA forms the overall double-helical structure. How is complementary base pairing involved in the replication of the DNA molecule during cell division? Describe how protein synthesis occurs. What is a codon, and what is a gene? The deletion of a single base from a DNA molecule can constitute a fatal mutation, whereas substitution of one base for another is often not as serious a mutation. Explain.
- Although RNA is single-stranded, the strand sometimes folds back on itself to give a complementary portion. What would be the complementary portion of the RNA fragment having the bases uracil-cytosine-guanine? A virus is a particle that contains DNA or RNA that is surrounded by a coat of protein that can replicate only in a host cell. The influencza virus shown in this electron microscope image is an RNA virus.22-50 Is a random coil a (a) primary, (b) secondary, (c) tertiary or (d) quaternary structure? Explain.Do the amino acid sequences: valine-asparagine and asparagine-valine represent the same compound? Explain.
- b). H20 (1) + CO2(g) + LINO3(aq)C. cyclohexyl alcohol D. isoamyl alcohol 38. An aromatic ring should satisfy Huckel's rule, wherein the number of electrons participating in the cyclic conjugation should be equal to 4n +2. Which of the following cyclic structures does NOT obey Huckel's rule? A. Cyclobutadienyl dianion B. Tetrahydrofuran ring C. Pyrimidine ring structure D. Cyclopropene structure 39. Why is ethanal incapable of forming a hydrogen bond with another ethanal molecule despite exhibiting a bond dipole in the C=O bond? A. The oxygen atom is partially reactive due to the strong bond dipole. B. The carbon atom does not form a highly polar bond with hydrogen. C. The oxygen atom is sp2 hybridized with almost 67% p character. D. Oxygen exhibits resonance with carbon leading to bond stability. 40. What is the role of H+ ions in the nucleophilic substitution of alcohols using hydrogen halides? A. Protonation of -OH group B. Stabilization of carbocation C. Activation of oxygen radical D. Removal of an alkyl group…Define the term identity operation.
