Physical Chemistry Interview Questions
Questions Answers Views Company eMail

why the atomic weights are in fractions?

1 3369

Why does the experimental lattice enthalpy of NaI differ greatly from the theoretical lattice enthalpy?

1935

Give an expression for Ka for ethanoic acid?

3 12875




what is enthalpy of hydration?

2 4129

How do you measure order of reaction?

2 2967

What happens to the solubility of group II Sulphates as you go down the group?

2 7625

How to accelerate electron capture decay?

866

How the value of Absorbance and molar extinction coefficient are caluculated?

Panacea,

2 6543




If the H were a classic particle what would be the tunneling probability?

1 2100

what is an Amphipathic protein?

3 13187

The use of vermilion on rubric of the Tartar Relation is confirmed by the presence of three lines attributed to HgS. Why should this diatomic have more than one vibrational line?

1147

What is Downward Displacement of Water?

BARC, RyanAir,

9 25588

What is emf and how is it used to arrange Metals in Reactivity Series?

3 9021

How much is the molar extinction coefficient of methylene blue at wavelenght 664 nm? Are molar extinction coefficient depend on concentration of solution?

Indfrag Limited,

3 15858

why no bond in chemistry is 100% ionic?

PSO,

13 19302


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Un-Answered Questions { Physical Chemistry }

The use of vermilion on rubric of the Tartar Relation is confirmed by the presence of three lines attributed to HgS. Why should this diatomic have more than one vibrational line?

1147


How to accelerate electron capture decay?

866


why athanol-water mixtuere have maximum viscocity in wt% 40?

171


what does 50 denote in dowex 50 ????

1039


In testing of Cement the formula for water requirement for setting time is as below- Water required for setting time = NC x 0.85 The question is that what is the logic of 0.85 in this formula??

974


Sr-90, a radioactive isotope, is a major product of an atomic bomb explosion. It has a half life of 28.1 year. Calculate the first order rate constant for this nuclear decay and the fraction of 90Sr that remains after 10 half lives?

3804


a sample of gas occupies a volume of {450.0 ml}at {740 mm Hg}and[16C]determine the volume of this same sample at [760 mm Hg]and [37c]?

2277


what are UV rays absorbs slightly?

661


The rate constant for the second order reaction is 0.54/M.s at 300oC. How long (in sec) would it take for the concentration of NO2 to decrease from 0.62M to 0.28 M? 2NO2(g) 2 NO(g) + O2(g)

890


what kind of question can be asked in interview for polarimeter related ?

3183


What is the requirement to give RFlow when using RID detector?

1271


What can be the supporter of combustion except oxygen.

1240


Why does the experimental lattice enthalpy of NaI differ greatly from the theoretical lattice enthalpy?

1935


. Given that 2Hg2+ (aq) + 2 e- Hg22+(aq) E0 =0.92V Hg22+ (aq) + 2 e- 2Hg(l) E0 =0.85V Calculate standard free energy change and K for the following process at 25oC Hg22+(aq) Hg2+ (aq) + Hg(l)

3499


Normally entropy is expressed as q/T. But, work and heat have same unit. Why can't it be replaced by work?

712