2,220 Answered Questions for the topic organic chemistry

12/15/16

Fragments for the peaks in mass spectrometry of tributylamine.
Fragments for the peaks in mass spectrometry of tributylalmine The above mentioned compound with mw=185. Write the reaction mechanisms and structures to account for the peaks at the following... more
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Organic Chemistry Biochemistry Nutrition

12/12/16

Do unsaturated fatty acids with an odd number of carbon atoms in their chain exist in nature (for example C21:3)?
Do unsaturated fatty acids with an odd number of carbon atoms in their chain exist in nature (for example C21:3)?
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Organic Chemistry Chemistry Organic Chemistry Lab

11/14/16

Calculate the experimental specific rotation (°) of the equilibrium mixture of α- and β-lactose
Calculate the experimental specific rotation (°) of lactose at time equals zero (t = 0)=87Enter the observed rotation of the equilibrium mixture of α- and β-lactose (°)=5.2 Calculate the... more
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Organic Chemistry

11/14/16

why sulphuric acid is used as catalyst in primary alchols but not in secendary and tertiory alchols.. why? give reason.
 i need just reason .. that why shulphuric acid is only used in primary alchols as a catalyts and not in other secondary or tertiory alcholos
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Organic Chemistry Chemistry Nmr Spectrum

10/29/16

Determine the structure for the following H-NMR spectral data
 C9H10O   A Doublet 7.9 B. Doublet 7.4 C. Singlet 2.5 D. Singlet 2.4     C5H10O   A. Multiple 2.3-2.8 B. Singlet 2.1 C. Doublet 1.0
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Organic Chemistry

10/27/16

Need answer on alcohol
please explain oxidation of alcohol
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Organic Chemistry

10/16/16

What is the molecular formula of caffeine using the Hill method?
I know the molecular formula for caffeine is C8H10N4O2 but I'm not sure how to use the Hill method or if thats the right answer
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Organic Chemistry

10/05/16

The Boiling Point Diagram of Methanol-Water (Figure 5.6) shows Mole Fraction of Water versus Temperature, °C.
 Using the following atomic weights and the density of methanol of 0.792 g/ml, a 44.1 % v/v methanol in water solution (44.1 ml methanol and 55.9 ml water) is what mole fraction of water?  Round to... more
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10/05/16

Why does ClO3- only have 2 double bonds instead of 3?
I drew a Lewis Structure of ClO3- with 3 double bonds instead of 2 and 1 single bond but I'm wondering if it is a valid structure.  Is there a maximum amount of double bonds that Cl can make?
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Organic Chemistry

09/28/16

A graph of temperature (°C) versus solubility of benzoic acid in water (g/L) has a good exponential fit, y = 1.479e0.0357x,
(continued...) indicated by the Goodness of Fit R2 = 0.9955.  Don't forget that there are 1000 ml in a liter.  Round to a whole number answer without any decimal point.   Given that you used 12.4... more
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Organic Chemistry Chemistry Cleaning

09/20/16

If I dissolve baking soda in boiling water, can the solution still be used as a cleaning agent? Will the solution remain liquid if left at room temperature?
Wondering if baking soda could be made into a gel like substance if i added oils. 
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Organic Chemistry

07/28/16

Which of the following alkenes cannot undergo hydrogenation?
a) cyclohexene  b)benzene c) 1-propene  d) 2-propenal 
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Organic Chemistry Chemistry Alkene

07/19/16

Name the following Aklene
CH3C=CH2         l       CH3 I'm currently homeschooled and teaching myself Chemistry, but this problem has me stuck. Please help.
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Organic Chemistry Science Chemistry Chemistry Lab

07/10/16

Atrazine Compound
Please look up the completed Lewis structure of atrazine and answer the following questions:    -How many atoms are sp3 hybridized?  -How many sigma bonds are in the completed Lewis structure? 
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Organic Chemistry Chemical Engineering

07/03/16

calorific value and chemical formula
i got the composition of a biodiesel from CHNS analyser isC-76.61%, H-12.34% , N- 1.33%, O-9.72% (Oxygen by mass balance from CHNS). (i think the results are of in %volume).Sample weight - 2.69mg.... more
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Organic Chemistry Carbon

07/01/16

number of oximes
Aromatic carbonyl compounds having molecular formula C8H8O react with NH2OH then how many oximes can be formed .
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Organic Chemistry

07/01/16

order of exchange
What is the order of rate of exchange of O18 with H2O in CCl3CHO and CF3CHO
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Organic Chemistry

07/01/16

name of drug
Acetone reacts with CHCl3 in presence of KOH to form a sleep inducing drug . What is the name of drug and what is the mechanism of the reaction ?
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Organic Chemistry

06/28/16

major product
What is the major product of the following reaction and what is its mechanism ? (given link is of the reaction)   http://i.imgur.com/c5lnMBt.jpg
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Organic Chemistry

06/14/16

conversion of alcohol to halide
How do you convert a chiral, optically active secondary alcohol into an optically active halide that illustrates Zaitsevs rule? Also, how do you convert the halide in I1 into an ethyl ether?
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Organic Chemistry Chemistry

06/09/16

Can anyone tell me what the reaction mechanism is for Methylene Blue + Ascorbic Acid (reducing agent)?
I know that when "Methylene Blue" and "Ascorbic Acid" react they produce "Leucomethylene Blue" and "Dehydroascorbic Acid". I have proposed a possible mechanism but I'm not sure it its correct or... more
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Organic Chemistry

05/25/16

Select which one is polar
I am having trouble finding out which one of these three are or is polar.   Select the chlorofluorocarbon(s) (CFCs) that is/are polar.   1. Freon-C318 (C4F8, cyclic structure)   2. Freon-122... more
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Organic Chemistry Chemistry

05/05/16

How to convert a methyl group (-CH3) to a formyl group (-CHO)?
What mechanism(s) is needed to change a methyl group (-CH3) to a formyl group (-CHO)?
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05/02/16

Organic Chem Question: Including multifidene, how many stereoisomers are represented by this constitution?
 Multifidene has one 5-carbon ring with a double bond and a -CH=CHCH2CH3 coming off of one carbon and a -CH=CH2 coming off of another The IUPAC name... more
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Organic Chemistry

04/27/16

Give the structure of 4-ethyl-6-methyl-3-octanol
please help
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