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A compound A (C22H27NO) is insoluble in acid and base but reacts with concentrated aqueous HCl and heat to give a clear aqueous solution from which, on cooling, benzoic acid precipitates. When the supernatant solution is made basic, a liquid B separates. Compound B is achiral. Treatment of B with benzoyl chloride in pyridine gives back A. Evolution of gas is not observed when B is treated with an aqueous solution of NaNO2 and HCl. Treatment of B with excess CH3I, then aqueous Ag2O and heat, gives a compound C, C9H19N, plus styrene, C6H5-CH=CH2. Compound C, when treated with excess CH3I, then aqueous Ag2O and heat, gives a single alkene D that is identical to the compound obtained when cyclohexanone is treated with the ylid -:CH2- PPh3. Give the structure of A.
The decomposition of 3.32 g CaCO3 yields 1.24 g CaO. What is the percent yield of this reaction? CaCO3(s) -> CaO(s) + CO2(g)
Fe3O4 reacts with CO according to the reaction Fe3O4(s) + 4CO(g) --> 4CO2(g) + 3Fe(s). If 201 grams of Fe3O4 is reacted with excess CO, what mass of CO2 will be produced?
Find the normal boiling point of a saturated solution of LiF at 100C, assuming it undergoes complete dissociation. The solubility of LiF is 230 mg/100 g of water at 100C
What is the limiting reactant when 4.5 moles of aluminum react with 6.7 moles of oxygen gas?
A an aqueous methanol (CH3OH) solution has a mole fraction of 0.430 of methanol. What mass of water would be present in 706 g of this solution?
Write the decayreaction for this isotope and explain your prediction in terms of N/Zratio.
Concetrated acedic acid is a Class II combustible liquid. What is the molecular weight of acetic acid that will form 2 moles of CO2 assuming complete combustion.
A separate experiment is conducted in which 4.82 x 10-5 M CaI2(aq) is added to a solid solution of PbI2 at 20 oC. Qualify how the molar solubility changes
Calculate the work(in kilojoules) done during a synthesis of ammonia(see reaction below) in which the volume contracts from 8.6L to 4.3L at a constant external pressure of 44atm.
The vapor pressure of a solution containing 5.40 g of a nonvolatilesubstance in 90 g water is 23.32 torr. What is the molar mass of the solute?
Nitric acid is not only a strong acid but also a strong oxidizing agent. In hot concentrated acid solution, the reaction with zinc is: 3 Zn(s) + 8 HNO3 ? 3 Zn(NO3)2(aq) + 2 NO(g) + 4 H2O
How much heat (in kJ ) is required to warm 13.0 of ice, initially at -13.0, to steam at 114.0? The heat capacity of ice is 2.09 and that of steam is 2.01
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