Organic Chemistry Interview Questions
Questions Answers Views Company eMail

why nitrile are least reactive of carboxylic acid derivative

1 1408

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,

725

What is the principle of gas chromatography ?

MOL, Bicon, Admiron Life Sciences,

2 2061




what are the reasons to get the low transmittansE in FTIR

Dr Reddys,

2 1673

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

1 1903

What is deference between the working standard and reference standard?

Meghmani Organics, Gland Chemicals,

1 893

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,

657

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

Meghmani Organics,

626




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

Meghmani Organics,

1 1187

Explain What is a base line in GC and HPLC?

Meghmani Organics,

2 1904

What is principle of polarimetre

Aurobindo,

1 1476

why we use holomium oxide for UV calibration ?

Al Razi Pharmacy,

2 1782

Difference between calibration and validation

Zydus Cadila, Cipla,

2 2135

How will you separate isomers?

Hygro Chemicals, Aurobindo,

1 1688

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

Alembic,

464


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Un-Answered Questions { Organic Chemistry }

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?

725


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

1342


What is the composition of Barford Reagent?

675


hi friends, dis is ramana reddy.i have been workining in bulk drugs as QC chemist.i would like 2 change d company.but our company didn't give d OFFER LETTER,APPOINTMENT LETTER,PAY SLIP.if any body has these documents along with sample RESUME,pls send 2 my mail id i.e ramanareddy.sdpl@ymail.com

1611


GIVE FTIR SAMPLING ASSESORY NAME.

1068






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

7998


hi i am siva icompleted m,sc in organic chemistry in 2008&working as alecturer can u send me the interview qusetions with answers . i expected that i got 135 - 140 marks is there any chance to get selection my interview is on may 7th 2010

842


Can we consider in purity angel

487


How to synthesize methylene bisthiocyanate using CH2Cl2 and NaSCN?

1630


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

1417


what things are suitable for investigatory project?

1508


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

1968


Active Ingredients in septilin ??

464


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

997