Organic Chemistry Interview Questions
Questions Answers Views Company eMail

why nitrile are least reactive of carboxylic acid derivative

1 1673

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,

886

What is the principle of gas chromatography ?

MOL, Bicon, Admiron Life Sciences,

2 2441




what are the reasons to get the low transmittansE in FTIR

Dr Reddys,

2 2028

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

1 2592

What is deference between the working standard and reference standard?

Meghmani Organics, Gland Chemicals,

1 1100

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,

806

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

Meghmani Organics,

856




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

Meghmani Organics,

1 1441

Explain What is a base line in GC and HPLC?

Meghmani Organics,

2 2223

What is principle of polarimetre

Aurobindo,

1 1688

why we use holomium oxide for UV calibration ?

Al Razi Pharmacy,

2 2296

Difference between calibration and validation

Zydus Cadila, Cipla,

2 2500

How will you separate isomers?

Hygro Chemicals, Aurobindo,

1 1927

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

Alembic,

626


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Un-Answered Questions { Organic Chemistry }

What is the hybridization at nitrogen?

72


what is the purpose of using cyclhexane in synthesis?

2484


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

565


wtat type quations will be sak in ongc exam?

2024


Define the term distribution coefficient in organic chemistry.

25






How hydrate is forming along with API?

1188


why are prepare daily working standard in ft ir

1651


what are the checklist need to maintain in API manufacturing area as per USP requirements.......?

1754


why we need to synthesize impurities of midazolam

1178


which question ask me in grasim in inerview?

1137


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?

886


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

1403


naphtha and hexane mixture can be used a fuel or not

1303


Can we consider in purity angel

706


Is napthalene aromatic?

60