9 Questions 17 Answers 0 Followers
Questions related from Prantik Mondal
I was doing a blank test using DMF as solvent by heating it at 130 C. Within half an hour the colour of the solvent changes from colourless to brown colour. Is there any particular reason for...
09 September 2019 5,887 2 View
While doing the NMR analyses of some polymer samples sometime I have observed that the integral ratios of some polar protons (Exchangeable protons) don't matches with the integral ratios of...
07 July 2018 1,455 7 View
How a strong non polar molecule/polymer with having single or two amine/hydroxyl ions can be neutralised? Can it be done any desirable organic solvent with conc HCl? I had tried with water but...
05 May 2018 7,692 6 View
LAH is a strong reducing agent but in general preparatory method of synthesis of furan, it doesn’t reduce. Kindly see the given mechanism in attached file.
10 October 2017 222 4 View
Most of the monomers are available with containing inhibitors! Is it just to avoid polymerization or something else?
07 July 2017 8,367 3 View
Hi, guys! Today I am arriving with a new question. I am facing a problem while purifying a polymer. Then I doubt whether the polymer is getting purified! After synthesizing the polymer, I am...
05 May 2017 6,858 14 View
Hello everyone, I am using Spartan 14 wave function to calculate Gibb's free energy of a particular molecule as well as the transition state. But unfortunately, I am a bit unknown of how to use or...
05 May 2017 6,490 2 View
Actually, after adding PDMS (polydimethylsiloxane hydroxyl terminated Mn~600 g/mol) in DMF, it's very hard to distinguish or elucidate whether the polymer got solubilise! But I think the material...
04 April 2017 8,857 2 View
LAH reduce α,β-unsaturated ketone. But what will be the product of such extended conjugated system? Will here also LAH reduce all the double bonds along with carbonyl group?
04 April 2017 8,518 8 View
