Nmr spectrum of a shows a complex three-proton multiplet

Assignment Help Chemistry
Reference no: EM13158700

Compound A, C9H12, undergoes nitration to give 3 products. The 1H NMR spectrum of A shows a complex three-proton multiplet at 6.92-6.99 ? and a nine-proton singlet at 2.34 ?. What is the structure of A?

Reference no: EM13158700

Questions Cloud

Calculate the heat released (in kilojoules) by metal : An iron bar of mass 885 g cools from 94°C to 5°C. Calculate the heat released (in kilojoules) by metal.
What evidence can you cite to support your position : Department of Health and Human Services, but rather with the Internal Revenue Service. What evidence can you cite to support your position?
What is the emf for this cell : What is the emf for this cell when [Fe3+] = 0.50M, PH2 = 0.25 atm, [Fe2+] = 0.010M and the pH in both compartments is 4.00
Compute the expenses incurred for the year : Assume that the revenues for the year were $830,000. Compute the expenses incurred for the year.
Nmr spectrum of a shows a complex three-proton multiplet : Compound A, C9H12, undergoes nitration to give 3 products. The 1H NMR spectrum of A shows a complex three-proton multiplet at 6.92-6.99 ? and a nine-proton singlet at 2.34 ?
Enter the last names of five candidates : Write a program that allows the user to enter the last names of five candidates in a local election and the votes received by each candidate. The program should then ouput each candidate's name, votes received by that candidate.
How many grams of helium does a 25.0 liter balloon contain : How many grams of Helium does a 25.0 Liter balloon contain at 102.0 kPa and 24 degrees Celsius?
What should we conclude from this : Does this model of coverage afford well or poorly with the model of demand for insurance set forth? What should we conclude from this?
Compute the amount of heat required to completely sublime : Calculate the amount of heat required to completely sublime 23.0g of solid dry ice (CO2) at its sublimation temperature

Reviews

Write a Review

Chemistry Questions & Answers

  At what ph will 92% of the mg2 be precipitated

The concentration of Mg2+ in seawater is 0.052 M. At what pH will 92% of the Mg2 be precipitated as the hydroxide salt? [Ksp for Mg(OH)2 = 8.9* 10-12.]

  Find the molarity of the acid

HCL acid solution is standardized using 0.502g of sodium carbonate. Find the molarity of the acid if 30.5mL are required for the titration.

  Find what is the vibrational contribution to cv

what is qvib at a temperature of 3100 K, keeping the zero point energy and referenced to v= 0? What is the vibrational contribution to CV, at the temperature 2600 K?

  From this data determine the number of a, ß and ?

You have successfully purified a protein to homogeneity. From gel permeation chromatography studies, you determine that the protein has a molecular weight for 235,000 daltons.

  What is the de broglie wavelength

What is the de Broglie wavelength (in meters) of a baseball weighing 145 {g} and traveling at 159 km/h?

  Evaluate minimum mass of sodium bicarbonate

Determine the minimum mass of Sodium bicarbonate or sodium hydrogen carbonate that should be added to the spill to neutralize it?

  Define to ensure the impurity does not exceed amount

To ensure the impurity does not exceed this amount, how much water must be added to the solution before the temperature is dropped if the initial solution weighed 500 kg? How much Na2S2O2 will be generated in this process?

  How many grams of cu metal (63.55 g/mol) will be plated out

How many grams of Cu metal (63.55 g/mol) will be plated out of a Cu(NO3)2 solution by passing a current of 3.00 amperes for 11 minutes?

  What volume of base will it take to reach equivalent point

A 36.3 mL aliquot of 0.0529 M H2SO4 (aq) is to be titrated with 0.0411 M NaOH (aq). What volume (mL) of base will it take to reach the equivalence point?

  Explain the half-life for the radioactive decay

The half-life for the radioactive decay of [U]-238 is 4.5 billion years and is independent of initial concentration. Part A How long will it take for 20% of the [U]-238 atoms in a sample of [U]-238 to decay?

  Calculating solubility of copper sulfide

Work out the solubility of copper(II)sulfide. Take it that 1 litre of the mixture weighs 1 kg. (in g/100g), CuS (s) Cu^2+ (aq) + S^2- (aq)

  What is the mass of the second isotope

The atomic weight of a newly discovered element is 98.225 amu. It has two naturally occuring isotopes. One isotope has a mass of 96.780 amu.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd