Avtar Singh

5 Questions 43 Answers 0 Followers

Questions related from Avtar Singh

Does specific rotation change with solvent?

What will be the effect on specific rotation, if we measure the values in two different solvents?

05 May 2017 881 6 View

What are the pssible reasons for reduced activity/selectivity of a recovered catalyst?

In any catalytic reaction if we use the recovered catalyst again (in the same reaction); then in most of the cases diminished reactivity or selectivity of the catalyst is observed. why its so?

11 November 2016 2,114 5 View

Any method for the methylation of Hydroquinone?

we are trying for methylation of hydroquinone. Please suggest any method for that.

11 November 2016 8,898 3 View

There may be a significant time difference between retention times for two enantiomers of a compound and the racemic mixture?

We are determining the enantiomeric excess by NP-HPLC (using Chiralcel OD-H column employing Hexane:IPA solvent system). The product of racemic reaction show two peaks at Retention Time 18 and 20...

10 October 2016 4,355 6 View

Is there any method to replace chloride ion with borohydride ion?

Hello everyone, we have synthesized some ionic liquids having chloride ions we want to replace the chloride ion with borohydride ion. We want to know is there any suitable method for that?

08 August 2016 8,165 13 View