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12.0 g of isopentyl alcohol mixed with 20 mL glacial acetic acid and 1.2 mL of H2SO4. This is refluxed for an hour.
Compound A is a chiral compound which, when reacted with chromium (VI) oxide and sulphuric acid, gives an achiral product B, C5H10O.
Draw an arrow pushing mechanism for the formation of the acylium ion when acetic anhydride reacts with phosphoric acid.
What types of limitations and obstacles must any plausible origin of life scenario overcome, and why did Crick believe life couldn't have formed on Earth?
The biochemical oxygen demand (BOD) is the capacity of organic and biological matter in natural water to consume oxygen.
Write an equation for the reaction of propanal with each of the following reagents, and name the organic product.
The decomposition of KClo3 proceeds spontaneously when it is heated. Do you think that the reverse reaction, the formation of KCLO3
Draw electron-dot formulas for all the contributors to the resonance hybrid structures of the carbonate ion, CO32¯.
Write equations to show how 1-pentanol can be synthesized from bromopropane and ethylene oxide, using a Grignard reagent.
Write an equation for hydrogenation of glyceryltrioleate. Write an equation for saponification of glyceryltripalmitate.
Show the structure of all possible acid-catalyzed dehydration products of the following. If more than one alkene is possible.
Calculate the molar solubility of Mg(OII)_2 in a solution with a pH of 12.8 (K_op of Mg(OH)^2 is 1.2 * 10^-11
When amide X is treated with lithium aluminum hydride, the corresponding amine can be isolated in good yield.
The following reaction only gives the product indicated. By what mechanism does this reaction most likely occur? Draw mechanism.
Give a detailed mechanism for conversion of 2,7-dimethyl-2,6-octadiene, using H3PO4, into 1,1-dimethyl-2-isopropenylcyclopentane.
How should the structures of the obtained products from each of the reagents be drawn?
Predict the structure of the diphenylquinone product, C28H40O2 by the oxidative coupling of 2,6-di-tert-butylphenol with oxygen in the presence of base.
Based on your choice of mechanism, explain how both the substrate and the product can have R configuration?
Predict the two most likely products for the following reaction and show a stepwise mechanism for the formation of each product.
Which reactions proceed by an SN1 mechanism? By an SN2 mechanism? Write the balanced equations.
By which mechanism (SN1 or SN2) did these reactions occur? How do you know? (Assume both react by the same mechanism).
For an SN2 reaction, the effect of solvent polarity is usually much less, but the ability (or really lack there of) of the solvent to solvate the nucleophile.
Complete the acid-base reaction below by writing the products of the reaction, and label the acid, and the conjugate base.
No spots were observed visually when the TLC plate was removed from the developing chamber. How might the student effect visualization of the spots?
Which one of the following best represents the flow of electrons in the key step for the aldol addition reaction that occurs when propanal is treated.