2,220 Answered Questions for the topic organic chemistry

09/26/17

Recrystallization problem! ORGANIC CHEMISTRY
200 mg of impure sucrose was weighed out. After recrystallization from water, 225 mg of solid compound was obtained. What happened? How can this be corrected?
Follows • 2
Expert Answers •2

09/05/17

multiple choice HCL + carbonate/nitrate question
31 A mixture of solids is treated with an excess of dilute hydrochloric acid. A colourless gas is evolved and a white precipitate forms. What are the solids in the mixture?   A calcium carbonate... more
Follows • 3
Expert Answers •2

09/02/17

butane in a limited amount of oxygen
A 30cm3 sample of butane, C4H10, was completely reacted in a limited supply of oxygen to produce 60 cm3 of carbon dioxide and 60 cm3 of carbon monoxide.All volumes were measured at room temperature... more
Follows • 2
Expert Answers •1
Organic Chemistry Chemistry Electronegativity

08/29/17

Rank the following atoms from least to most electronegative.?
a. nitrogen, oxygen, carbon, fluorine b. oxygen, sulfur, chlorine, bromine c. hydrogen, carbon, fluorine, chlorine Here is what I got: a. carbon, nitrogen, oxygen, fluorine b. bromine, sulfur,... more
Follows • 3
Expert Answers •2

08/09/17

Sodium benzoate in carbonated beverages
Sodium benzoate is a common food preservative and can be commonly found in the ingredient list of carbonated beverages. Carbonated beverages also contain phosphoric acid and are highly acidic.... more
Follows • 3
Expert Answers •2

08/09/17

Write a balanced equation
What would be the balanced equation for the synthesis of benzoic acid using the Gignard reagent, phenylmagnesium bromide? 
Follows • 3
Expert Answers •2
Organic Chemistry Chemistry

08/06/17

Determine an experiment to test where the rate-determining step in this reaction is release of chloride. Hint: chlorine has two different isotopes in high abund
Determine an experiment to test where the rate-determining step in this reaction is release of chloride. Hint: chlorine has two different isotopes in high abundance.   The reaction is oxidation... more
Follows • 2
Expert Answers •1

08/06/17

Functional Groups
We are doing a capstone project for anesthesia in chemistry. We need to identify the functional groups in isoflurane and sevoflurane, and I am having the most difficult time identifying functional... more
Follows • 4
Expert Answers •2

08/05/17

Percent yield/ Theoretical Yield
I was trying to figure out the limiting reagent of a reaction that I did in lab. The reaction is 1-phenyl ethanol that is oxidized to acetophenone using (5% aq. NaOCl (2.2 equiv)) and (HOAc (15M)).... more
Follows • 3
Expert Answers •2
Organic Chemistry

07/08/17

1,5-cyclooctadiene is treated with I-Cl. What is the structure of product?
1,5-cyclooctadiene is treated with I-Cl. What is the structure of product?
Follows • 2
Expert Answers •1
Organic Chemistry

07/01/17

average molar mass of dna
The human body is said to contain approximately 50.0 grams of DNA in the entire body. If the number of nucleotides in ONE STRAND of DNA is approximately 3.0 x 106, and the average molar mass of a... more
Follows • 3
Expert Answers •2
Organic Chemistry

05/11/17

how to convert benzyl bromide to tri-N-butyl benzyl ammonium bromide
how to convert benzyl bromide to tri-N-butyl benzyl ammonium bromide
Follows • 3
Expert Answers •2
Organic Chemistry

05/05/17

Is copper chloride a compound used in photochromism? Also what is the reaction between copper chloride and chlorine?
photochromism is the change in color when put in UV rays
Follows • 2
Expert Answers •1
Organic Chemistry

04/26/17

Beckmann rearrangement
Mechanism
Follows • 3
Expert Answers •2
Organic Chemistry

04/10/17

cyproheptadine Hcl dissolving and why ppt .?
i prepare  cyproheptadine solution by  dissolve cyproheptadine HCL  in tap water (2 gm /L) and add  acetic acid 5%(100 ml/L) the question .  why cyproheptadine. precipitate on the wall and... more
Follows • 2
Expert Answers •1
Organic Chemistry

04/06/17

Reaction mechanism of substitution reaction
Can someone please let me know the reaction mechanism for the reaction of benzyl chloride with thiourea ? please explain with the reaction diagram and electron movement.
Follows • 2
Expert Answers •1
Organic Chemistry

03/25/17

Organic reaction
Can anybody provide the mechanism of the reaction . The reaction is on http://pasteboard.co/NFE9lpVli.jpg
Follows • 3
Expert Answers •2

02/27/17

How do I tell the difference with an IR spectrum of 2-hexanol and 1-hexanol?
  It seems like the OH peak is less intense on 2-hexanol...why?
Follows • 3
Expert Answers •2
Organic Chemistry

02/24/17

Draw full reaction mechanism for a side reaction that can occur under these reaction conditions. Include all charges and intermediates.
The reaction is Williamson Ether Synthesis. Its acetaminophen --> 4-butoxyacetanilide. Above the arrow NaOH and under the arrow 1-iodobutane.
Follows • 2
Expert Answers •1
Organic Chemistry

02/24/17

Multi-Step Synthesis
Convert acetylene to hexanoic acid justifying why each step is taken.   
Follows • 4
Expert Answers •3
Organic Chemistry

02/15/17

ethyl propyl ketone condensed form
ethyl propyl ketone condensed form  
Follows • 4
Expert Answers •3

02/11/17

Synthesis of Physostigmine
I am trying to break down the synthesis of Physostigmine. In steps 9 and 10 in this synthesis picture https://en.wikipedia.org/wiki/Physostigmine#/media/File:Julian_synthesis.gif, how is the Et... more
Follows • 2
Expert Answers •1
Organic Chemistry

01/23/17

What neutral atom has a nuclear charge of +9, and a nuclear mass of 19 amu? How many neutrons does it have. How many electrons does it have ?
Please help me I'm really wor 😩 
Follows • 3
Expert Answers •2
Organic Chemistry

01/23/17

Organic Chemistry
Which distillation technique would provide the best method to separate bromobenzene from toluene? a) simple distillationb) fractional distillationc) vacuum distillation
Follows • 2
Expert Answers •1
Organic Chemistry

01/11/17

Why an alcohol reacts with a halide ion only in presence of a strong acid?
Why an alcohol reacts with a halide ion only in presence of a strong acid?
Follows • 2
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.