Organic Chemistry Interview Questions
Questions Answers Views Company eMail

What is difference between high pressure gradient and low pressure gradient ?

Aurobindo, Lee Pharma,

2 1628

Arrange the following in their increasing polarity order Carboxylic acid, hydroxyl, phenyl, amino and aldehyde

Aspiro,

407

Can we consider in purity angel

Alkem Labs,

487




I need organic mixture analysis viva questions & answers

Practical Viva Questions,

2696

What is the composition of Barford Reagent?

TPS,

675

What is Michael addition?

Gharda Chemicals Limited,

1 971

How will you determine OH of organic compound ?

Gharda Chemicals Limited,

1 573

Active Ingredients in septilin ??

464




why use of sulfuric acid in roi test in pharmaceutical industry

829

Theoretical and mechanism type of Interview based questions

GVK,

1 539

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

Mylan,

672

Chromatography

1 613

how we change 0.1N KmNo4 solution to 0.01N KmNo4 solution.

567

How to find peaks in ftir chromatography

Aurobindo,

267

(CH2)n + nO2. ---->Co2 + nH2O + energy what is this mean with details

CU,

204


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Un-Answered Questions { Organic Chemistry }

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

1007


why use of sulfuric acid in roi test in pharmaceutical industry

829


what is NIR wave length

180


Explain Thiele's structure for benzene. What is the difference between thiele's structure and modern structure (resonance hybrid) of benzene?

3779


How to find peaks in ftir chromatography

267






Can we consider in purity angel

487


What is the difference between cracking, pyrolysis, destructive distillation, hydroforming, carbonization and dry distillation?

7998


why we not use caffeine at 205nm for hplc calibration?

1968


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 =

1232


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

626


we shall use Dichloromethane in last stage of API.

1752


Which form of Sucores is harmfull to humans ?

1103


Suppose we prepared pH buffer solution in lab.and calibrate against NIST solution, and same shall going to used upto 30 days. is it possible to stable pH and appearance? suggest?

657


How do you explain the different solvent power of water and other organic solvent?

1382


Any one is alembic pharmaceutical ltd. On starting to job ?

464