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Organic Chemistry Interview Questions
Questions Answers Views Company eMail

why nitrile are least reactive of carboxylic acid derivative

1 3260

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,

2644

What is the principle of gas chromatography ?

Admiron Life Sciences, Bicon, MOL,

2 4844

what are the reasons to get the low transmittansE in FTIR

Dr Reddys,

2 4243

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

1 5998

What is deference between the working standard and reference standard?

Gland Chemicals, Meghmani Organics,

1 2884

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,

1867

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

Meghmani Organics,

1969

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

Meghmani Organics,

1 3252

Explain What is a base line in GC and HPLC?

Meghmani Organics,

2 4335

What is principle of polarimetre

Aurobindo,

1 3420

why we use holomium oxide for UV calibration ?

Al Razi Pharmacy,

2 4819

Difference between calibration and validation

Cipla, Zydus Cadila,

2 5018

How will you separate isomers?

Aurobindo, Hygro Chemicals,

1 3659

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

Alembic,

1640


Post New Organic Chemistry Questions

Un-Answered Questions { Organic Chemistry }

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?

1867


What is the range of uv & vis lamp in spectrophotometer?

1078


Can we consider in purity angel

1791


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 =

2509


What are some common compounds or chemical reactions involving Protactinium, and how do they contribute to our understanding of this element?

608


How to synthesize methylene bisthiocyanate using CH2Cl2 and NaSCN?

2945


Which one of the following is not aromatic?

1370


Active Ingredients in septilin ??

1665


What is the composition of Barford Reagent?

2089


wtat type quations will be sak in ongc exam?

3203


what is stero electronic factor.2 what is steric control factor and what is product control factor

2115


Protactinium-234 is an important tool for studying ocean circulation. How is it utilized in oceanographic research?

570


Protactinium-231 emits alpha particles. How can this property be utilized in radiation detectors or other scientific instruments?

593


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

2814


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

3278