Define equivalents of formaldehyde under alkaline conditions

Assignment Help Chemistry
Reference no: EM13715367

Problem- When acetaldehyde is reacted with 3 equivalents of formaldehyde under alkaline conditions, followed by treatment with sodium borohyfride, the product formed shows the following spectrum: IR: broad peak at 3326cm -1; H NMR: singlet at3.45. Singlet at 4.78.

Predict a reasonable structure for this product

Please illustrate work if possible thanks

Reference no: EM13715367

Questions Cloud

What is the ksp of the salt at 22 degrees c : At 22 degrees C an excess amount of generic metal hydroxide M(OH)2 is mixed with pure water. The resulting equilibrium solution has a pH of 11.05. What is the Ksp of the salt at 22 degrees C
Define what is the hydronium ion concentration : What is the hydronium ion concentration in a solution resulting from mixing 173 mL of 0.100 M HCN and 73 mL of 0.100 M KOH at 25 degrees C? Ka for HCN=4.9x10^-10
Na2so3 buffer before the addition of the substances : Calculate the pH of 0.330L of a 0.535MNaHSO3 - 0.310M Na2SO3 buffer before and after the addition of the following substances.
What final product is likely when cyclohexene is subjected : What final product is likely when cyclohexene is subjected to the following reaction sequence? Give Ostructural details of all significant intermediates. I) H30+,H20: II)PCC; III(CH3)2NH; IV NaBH3CN
Define equivalents of formaldehyde under alkaline conditions : When acetaldehyde is reacted with 3 equivalents of formaldehyde under alkaline conditions, followed by treatment with sodium borohyfride, the product formed shows the following spectrum: IR: broad peak at 3326cm -1; H NMR: singlet at3.45. Singlet ..
Calculate the theoretical and percentage yield : 0.791 g acetone reacted with 1.044 g benzaldhyde to produce experimentally 1.00 g dibenzalacetone. Calculate the theoretical and percentage yield.
Explain what is the heat absorbed sodium chloride : What is the heat absorbed if 2.118g of sodium chloride is dissolved in water? NaCl + H2O + 3.88kj ----> Na+ + Cl-
What is the molar absorptivity coefficient at wavelength : If a 1.50x10^-4 M sample of salicylic acid has an absorbance value of 1.020 using a 2.00cm path length cell at 295nm, what is the molar absorptivity coefficient at this wavelength
How many grams liquid sodium are needed to absorb energy : Liquid sodium is being considered as an engine coolant. How many grams liquid sodium (minimum) are needed to absorb 9.20 MJ of energy (in form of heat) if the temperature of the sodium is not to increase by more than 10.0'C?

Reviews

Write a Review

Chemistry Questions & Answers

  What was the final temperature

A 4.40 g nugget of pure gold absorbed 289 J of heat. The initial temperature was 21.0°C. What was the final temperature?

  Steric repulsion between methyl group in gauche conformation

Label each conformation as eclipsed or staggered and indicate which staggered conformation is either anti or gauche B) which is more stable, anti or gauche. C) What evidence is there for steric repulsion between methyl groups in the gauche conform..

  Explain a study of the water-gas shift reaction

A study of the water-gas shift reaction given below was made in which equilibrium was reached with [CO] = [H2O] = [H2] = 0.10 M and [CO2] = 0.31 M. After 0.41 mol H2 is added to the 2.0 L container and equilibrium is reestablished

  Potassiummetal crystallizes in a body-centered cubic

1. which hasthe higher boiling point hf or hcl? why?2. potassiummetal crystallizes in a body-centered cubic structure

  Explain moles of oxygen o2 react

4Fe + 3O2 --> 2Fe2O3. If 5.0 Moles of oxygen O2 react, how many moles of Fe2O3 will form

  Chair conformations of trans-1-boromo-4-methylcyclohexane

Depict both possible chair conformations of trans-1-boromo-4-methylcyclohexane and circle the one that is the most stable.

  Compute the specific heat of copper

When a 18.5 g piece of copper originally at 99.5C is placed in 58.5 g of water at 24.0C, the temperature of the water rises to 26.1C. If the specific heat of water is 4.180 J , calculate the specific heat of copper. can you show work and the anser..

  How many ml of 0.145 m naoh solution will be required

How many mL of 0.145 M NaOH solution will be required to neutralize 5.00 mL of a 0.829 M HCl solution

  Define percent mass and stoichiometry

Percent Mass and Stoichiometry, You are the science officer on the Starship Enterprise. The ship is circling a new planet. The away team comes back with some rocks and minerals

  Calculate the molarity of each of the following solutions

Calculate the molarity of each of the  following solutions: (a) 29.0 g of ethanol  (C2H5OH) in 545 mL of solution, (b) 15.4 g of  sucrose (C12H22O11) in 74.0 mL of solution, (c)  9.00 g of sodium chloride (NaCl) in 86.4 mL of  solution.

  Explain the order with the respect to the hydroxide ion

For a particular reaction the hydroxide ion is one of the reactants. Doubling the concentration of the hydroxide ion, while holding all the other concentrations constant, changes the rate of the reaction from 0.002 to 0.008. what is the order with..

  Explain what is the ksp of the solid

Question- You add an excess of solid MX into 250 g of water. You measure the freezing point of the solution and find it to be -0.028°C. Assuming the solution has a density of 1.0 g/mL, what is the Ksp of the solid

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