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Physical Chemistry Interview Questions
Questions Answers Views Company eMail

why the atomic weights are in fractions?

1 6307

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

2633

Give an expression for Ka for ethanoic acid?

3 18250

what is enthalpy of hydration?

2 6174

How do you measure order of reaction?

2 4801

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

3 10569

How to accelerate electron capture decay?

1520

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

Panacea,

2 8082

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

1 3298

what is an Amphipathic protein?

3 15404

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?

1801

What is Downward Displacement of Water?

BARC, RyanAir,

11 41415

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

3 11195

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 22450

why no bond in chemistry is 100% ionic?

PSO, Reliance,

13 32222


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Un-Answered Questions { Physical Chemistry }

. 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)

5331


what is the difference between elctrefining and electrolysis?

1370


what is induction on electrical insulators

1498


What can be the supporter of combustion except oxygen.

1991


How can be set a responds factor for evaluating a unknown impurity by HPLC

1587






what are UV rays absorbs slightly?

1309


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

852


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)

1705


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?

5266


what does 50 denote in dowex 50 ????

1762


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

4335


Write the each half cell reaction and also net cell reaction for a cell

2052


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]?

3776


4 Identify the substance oxidized, reduced, oxidizing agent and reducing agent for the following reactions

1677


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??

1656