Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...

Why we use TMS in NMR spectroscopy?

Answer Posted / mehdi hatefi

TMS Stands for TetraMethylSilane.Si(CH3)4

Owing to the electronegativity difference between Silicon
and Carbon,electron density on carbon is greater than silicon and hydrogen atoms of methyl group are greatly shielded and compared to most of organic compounds,hydrogen atoms of TMS resonate at a higher frequncy that by definition sigma value for TMS is zero

Is This Answer Correct ?    29 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Discuss the role of Protactinium in accelerator-driven systems and its potential for transmutation of nuclear waste.

631


what is stero electronic factor.2 what is steric control factor and what is product control factor

2087


GIVE FTIR SAMPLING ASSESORY NAME.

2458


Assuming that the density of the solution is the same as the density of water (density of water=1.000g/ml), calculate the mass of water for both reactions using: mass of water = Volume of water Density of water. Mass of water =

2480


discuss the diffrent types of chromatography and their uses. In not more than 10 papers oc not less than 8 papers

2044


What are the challenges and opportunities associated with handling and storing Protactinium due to its radioactivity and scarcity?

581


chlorination of methane is possible and a mixture of products are obtained. Is flourination and Bromination of methane is possible?

1976


What is use of acetonitrile compare to methanol in RP-HPLC Method development?

1944


Which organic compound is used as a fuel in jet air crafts?

1193


Describe the role of Protactinium in neutron sources and its significance for research in nuclear physics.

507


FDA MHRA

2555


In order to avoid the pyridine catalyst use in many synthesis which is harmfull to environment, which catalyst can be used....?

2338


Protactinium-234 is an important tool for studying ocean circulation. How is it utilized in oceanographic research?

542


Explain the differences between organic and inorganic chemistry?

1044


What is the Difference Between 3M KCL and 4M KCL, WHy We are Filling 3M KCL In electrode Instead of 4M KCL

2453