Organic Chemistry Interview Questions
Questions Answers Views Company eMail

why nitrile are least reactive of carboxylic acid derivative

1 1500

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,

780

What is the principle of gas chromatography ?

MOL, Bicon, Admiron Life Sciences,

2 2197




what are the reasons to get the low transmittansE in FTIR

Dr Reddys,

2 1804

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

1 2149

What is deference between the working standard and reference standard?

Meghmani Organics, Gland Chemicals,

1 972

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,

708

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

Meghmani Organics,

696




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

Meghmani Organics,

1 1291

Explain What is a base line in GC and HPLC?

Meghmani Organics,

2 2011

What is principle of polarimetre

Aurobindo,

1 1552

why we use holomium oxide for UV calibration ?

Al Razi Pharmacy,

2 1979

Difference between calibration and validation

Zydus Cadila, Cipla,

2 2253

How will you separate isomers?

Hygro Chemicals, Aurobindo,

1 1768

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

Alembic,

528


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Un-Answered Questions { Organic Chemistry }

FDA MHRA

1385


Can we consider in purity angel

565


What is the accepted microbial load in APIs as per USP.........?

1292


hi friends, dis is ramana reddy.i have been workining in bulk drugs as QC chemist.i would like 2 change d company.i want sample RESUME,OFFER LETTER,APPOINTMENT LETTER,PAY SLIP.if any body has these documents,pls send 2 my mail id i.e ramanareddy.sdpl@ymail.com

1058


Why do we use vaccum in Loss on drying test?

334






Barc in chemistry

12


How hydrate is forming along with API?

1092


how to prepare for the exam of ongc please give some idea

16157


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

914


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

3859


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

1437


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

1054


which question ask me in grasim in inerview?

1041


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?

780


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

897