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Chemistry Interview Questions
Questions Answers Views Company eMail

What does stp stand for?

 613

What is the role of a catalyst? : Polymer Chemistry

 567

Polymer chain growth can be terminated by b-hydride elimination or by reaction with h2. What is one advantage of the h2 reaction? : Polymer Chemistry

 669

What is the nature of the bonding interaction between a metal and an olefin? : Polymer Chemistry

 546

What does it mean for a molecule or a ligand to be "chiral"? What properties does chirality impart to a molecule? : Polymer Chemistry

 533

Explain what is meant by "c2 symmetry" and "mirror plane symmetry". Can a molecule with "mirror plane symmetry" ever be chiral? : Polymer Chemistry

 576

How would you describe the orientation of the ligands around the zr center in the homogeneous zirconium catalyst? : Polymer Chemistry

 542

Consider the polymerization of 1,2-dichloroethylene, h(cl)c=c(cl)h. What structural variations are possible in poly(1,2-dichloroethylene)? : Polymer Chemistry

 711

Why are olefins (alkenes) good monomers for polymerization reactions? : Polymer Chemistry

 878

Does ethylene polymerize under mild conditions in the absence of a catalyst? : Polymer Chemistry

 773

Why are metals often good catalysts? : Polymer Chemistry

 550

Consider the polymerization of vinylidene chloride, ch2=ccl2. What structural variations are possible in poly(vinylidene chloride)? : Polymer Chemistry

 961

Why do different polymers have different properties? : Polymer Chemistry

 697

How can chemists control which type of polyethylene (ldpe vs. Hdpe) is generated? : Polymer Chemistry

 1219

Head-to-tail polymerization of propylene is observed with the [cp2zr(r)]+ catalyst. Explain this result on the basis of molecular-level interactions. : Polymer Chemistry

 577

Un-Answered Questions { Chemistry }

seminal on pyrimidine

1697

How is librated iodine estimated?

609

However ozone is heavier than oxygen still ozone is up there in sky why?

534

why glutent are detected in the rice cereal baby food product even manufacturer claimed that they are using rice and milk only?we have using ELISA to do the test,and rice supposed not containing any glutent,rite?We already repeat the test so many times and it still detected.just wondering where the glutent came from?

2327

on the basis of bcs class how to proceed the solubility?

269




What are the primary considerations in extractables and Leachables ?

1769

What is specific conductivity?

653

In Dissolution Test why limit is define Q+5% what is the role of +5%.

2556

AT WHAT CONDITIONS WILL YOU ANALYSE A SAMPLE,WHICH ARE PRESERVED AT OTHER THAN THE AMBIENT CONDITIONS?(ie COLD STORAGE SAMPLES BELOW 20* CENTIGRADE?

1598

Define Vulcanization?

688

How to set analyticl specification for combination products?

289

Does domestic/household used kerosene oil which is available in blue color (In India) can change its color over the due course of time say 8-10 years if keeping in plastic bottle? If so, in which color it will be turned to change, yellow or transparent or any other color. Please provide me the reply with strong technical approach. Since it has been asked during an interview. Please reply fast. I will be thankful to you if anyone can provide the supporting journals/write-ups/reference to favour of response.

972

Define what is avogadro’s law?

601

if peak get problamatic then what require to do?

309

What is molar conductivity?

580

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