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According to spectroscopic results, the nonplanar structure is preferred. Is this what you would have predicted from the Lewis Dot structure or not?
Draw the best Lewis dot structure for the anion CN- and indicate on the basis of formal charges whether you would expect the extra electron.
Count and give the number of regions of high electron density that exist around the central atom.
Are there any electron-dot formulas that you expect to give the best description? How would you describe the bonding in terms of electron-dot formulas?
Use the Lewis structure form to show the structures of the element F2 and N2 and the compounds NaCl, NH3 and H2O.
Draw the conjugate acid for the following base. ::Cl::- Remember to include charges and non-bonding electrons where necessary.
Draw the most stable conformation of cis-1, 3-dimethylycylohexane. Explain your answer in terms of axial vs. equatorial positions.
Draw the abbreviated structural formula of the products of the complete hydrolysis of lidocain. Identify any new functional groups naming them clearly.
Determine the weight in grams of sodium dihydrogen phosphate (M.W.138.01) and disodium hydrogen phosphate (M.W 141.98)
A mysterious material was purified from safflower oil (hint: full of fatty acids). Upon ozonolysis it gave the following compounds.
What determines whether a group on a benzene ring will be activating or deactivating and ortho para or meta directing?
In contrast to the high stability of sugar in daily use it burns rapidly when ignited without any 'booster' like sulphur or alkali nitrates.
In organic chemistry, there is a ketone structure that has the carbon bonded twice with the oxygen(C=O)with two components on the side.
For the following compounds, draw the Lewis structures satisfying the octet rule. Show all the bonds and include any non-bonding pairs.
Which of the following molecules would be expected to be most water soluble? The structure of urea is shown below. The carbon atom in urea.
Which of the following correctly lists the following isomeric alkanes in order of increasing boiling point? n-hexane, 2,3-dimethylbutane.
An energy maximum in a reaction-energy diagram would be labeled as which of the following?
In this problem the tertiary alcohol below was subjected to dehydration with phosphorous oxychloride. The potential products are shown below.
Identify the atom that acts as a base in this elimination and draw both products. Indicate which product appears at m/z 203 as a cation radical.
In the bromination of n-butane, the secondary hydrogens are 20 times more reactive than the primary hydrogens.
How many isomers of dimethylcyclohexanediol could you get from complete hydroboration-oxidation of 1,4-dimethyl-1,4-cyclohexadiene? Draw them all.
A hydrocarbon was found to have a molecular weight of 80-85. A 10.02 mg sample took up 8.40 mL of H2 gas at 0 degrees C and 760 mm pressure.
Why it is important that any aldehyde used in Witting reaction be free of carboxylic acid impurities?
Compound A has the molecular formula C8H14. Addition of bromine to A gives a new compound B, with the formula C8H14Br4.
How are ethanol, 1-octanol, propane-1,2,3-triol, and hexadecanol similar to their corresponding hydrocarbons (ethane, octane, propane, & hexadecane)?