Organic Chemistry Interview Questions
Questions Answers Views Company eMail

why nitrile are least reactive of carboxylic acid derivative

1 1269

what are the differences between assay procedures and estimation in chemical analysis? also what is the equivalent factor that we consider in assay analytical procedures?

Karnataka College of Pharmacy,

624

What is the principle of gas chromatography ?

MOL, Bicon, Admiron Life Sciences,

2 1842




what are the reasons to get the low transmittansE in FTIR

Dr Reddys,

2 1505

Distinguish b/w CH3CHO and CH3COCH3 on the basis of IR?

1 1577

What is deference between the working standard and reference standard?

Meghmani Organics, Gland Chemicals,

1 763

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?

Meghmani Organics,

575

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

Meghmani Organics,

508




When we get Moisture content by KF higher than by LOD, what does this indicate?

Meghmani Organics,

1 1014

Explain What is a base line in GC and HPLC?

Meghmani Organics,

2 1691

What is principle of polarimetre

Aurobindo,

1 1349

why we use holomium oxide for UV calibration ?

Al Razi Pharmacy,

2 1473

Difference between calibration and validation

Zydus Cadila, Cipla,

2 1929

How will you separate isomers?

Hygro Chemicals, Aurobindo,

1 1558

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

Alembic,

369


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Un-Answered Questions { Organic Chemistry }

What is a proteic unit?

1369


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

925


how much time require for day to prepare the ongc exam for evarage student?

1665


Can we consider in purity angel

392


what things are suitable for investigatory project?

1417






we shall use Dichloromethane in last stage of API.

1646


write short note on stero electronic factor, steric control factor and product control factor

776


Which form of Sucores is harmfull to humans ?

1001


FDA MHRA

1231


how do you make a amine sugar

1038


What is the difference between the photochemical reaction and photo-dynamic reaction?

1238


can you pls provide chemistry previous papers for the post of trainee chemist in ap genco

1318


naphtha and hexane mixture can be used a fuel or not

1063


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

3598


what is functionality of polymer? how can we get theoretical and practically?

1108