Question

C=O and C=C bands are in the same region but are not very difficult to tell...

C=O and C=C bands are in the same region but are not very difficult to tell apart.

a. Which band is more intense, the C=O or C=C?

b. Why is it more intense?

c. what other band could be used to confirm the presence of a C=C bond?

Science   Chemistry   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

C=O band is more intense than C=C bond. These bands diagnostic markers for the presence of carbonyl group in a sample. Because C=O bond is more polar than C=C bond. Always in IR stronger dipoles (C=O) produce more intense IR bands and weaker dipoles produce less intense IR bands (C=C).

c. what other band could be used to confirm the presence of a C=C bond?

C-H stretching from C=C-H will tell the presence of olefine group. =C–H stretch from 3100-3000 cm-1 will appear. This band will appear as intense band

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Ketones and esters have very similar spectra because both have C=O bands in their spectra. What...
Ketones and esters have very similar spectra because both have C=O bands in their spectra. What band should you look for on the spectrum of an ester that a spectrum of ketone won't have?
In a discussion of quantitative analysis using the mid-IR region, it was suggested that either the...
In a discussion of quantitative analysis using the mid-IR region, it was suggested that either the OH stretching band or the C-O stretching band could be used to measure hexanol in a mixture of hexanol and hexane. Which band would you choose to give more accurate results? Why?
When dealing with family, it is very difficult. Needless to say, I was put in an...
When dealing with family, it is very difficult. Needless to say, I was put in an awkward and embarrassing situation when I was told by a customer that the pasta I was supplying was already represented by another distributor. It goes without saying that my brother-in-law did not disclose all the information when asked if there were other distributors in my region. When I confronted him, again in the presence of my wife, he basically said that it was my...
(b) Suppose there are two bonds with the same yield-to-maturity and date to mature; but one...
(b) Suppose there are two bonds with the same yield-to-maturity and date to mature; but one is sold at premium, the other one is sold at discount. Could you tell me which bond has a higher coupon? Why? (c) Is there any difference in prices between these two bonds mentioned in (b) at the end of their duration? Why? Short Answer
(a) Suppose you hold a bond, and the current one-year holding period rate of return is...
(a) Suppose you hold a bond, and the current one-year holding period rate of return is 6%. And we further know that the yield to maturity for this bond is also 6% now. Could you tell me which rate will be higher if the interest rate decreases? Why? (b) Suppose there are two bonds with the same yield-to-maturity and date to mature; but one is sold at premium, the other one is sold at discount. Could you tell me which...
(a) Suppose you hold a bond, and the current one-year holding period rate of return is...
(a) Suppose you hold a bond, and the current one-year holding period rate of return is 6%. And we further know that the yield to maturity for this bond is also 6% now. Could you tell me which rate will be higher if the interest rate decreases? Why? (b) Suppose there are two bonds with the same yield-to-maturity and date to mature; but one is sold at premium, the other one is sold at discount. Could you tell me which...
Which of the following methods can be used to detect a protein band in an organelle...
Which of the following methods can be used to detect a protein band in an organelle fraction for which there is no enzyme assay? A monoclonal antibody specific for the protein is available and each fraction obtained from the fractionation experiment will be assayed. a. Immunoelectron microscopy b. ELISA assay c. Western blotting d. Immunofluorescence A membrane spanning protein that is a channel for potassium ion transport is made up of six copies of a single polypeptide. Potassium ions are...
Which covalent bond is the most polar, and which is the least polar? C-N               C-O               &nbsp
Which covalent bond is the most polar, and which is the least polar? C-N               C-O                     C-F Including all constitutional isomers and stereoisomers, there are six different compounds with the formula C4H8.    Provide IUPAC names (including cis/trans or E/Z, as needed) for five of them. Starting with propylbenzene, synthesize meta-bromobenzoic acid. You may use any other organic or inorganic reagents that you wish.    More than one step will be required -- be sure to list the steps (including reagents and catalysts)...
1. The visible region of the sun is known as a. corona b. photosphere c. radiation...
1. The visible region of the sun is known as a. corona b. photosphere c. radiation zone d. chromosphere 2. The average temperature of that part of the sun, which we see, is (a) 6000 k (b) 60,000 k (c) 600 k (d) 15 million k 3. Granulation of the sun is caused by a. sunspots b. prominences c. convection d. radiation 4. Convection zone is located a. next to the core b. between radiation zone and photosphere c. between...
Case-2: Complaint: Five children from the same school presented with abdominal pain and diarrhea (streaked with...
Case-2: Complaint: Five children from the same school presented with abdominal pain and diarrhea (streaked with blood) over a period of 3 days. Upon investigation it was found that those children had recently been in birthday party. Fecal specimen was collected and sent to microbiology lab. Lab report showed presence of pus cells on direct microscopy and non motile bacteria on motility test. Clinical History: The children are usually healthy. They take no regular medications a. What is the possible...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT