Physical Chemistry Interview Questions
Questions Answers Views Company eMail

why the atomic weights are in fractions?

1 5743

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

2387

Give an expression for Ka for ethanoic acid?

3 17440




what is enthalpy of hydration?

2 5605

How do you measure order of reaction?

2 4270

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

3 9898

How to accelerate electron capture decay?

1288

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

Panacea,

2 7521




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

1 2900

what is an Amphipathic protein?

3 14768

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?

1558

What is Downward Displacement of Water?

BARC, RyanAir,

11 38358

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

3 10487

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 21307

why no bond in chemistry is 100% ionic?

PSO, Reliance,

13 28571


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Un-Answered Questions { Physical Chemistry }

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?

4902


What can be the supporter of combustion except oxygen.

1707


what are UV rays absorbs slightly?

1071


. 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)

4823


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

1190






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]?

3387


During Soundness testing of Cement by Lechatelier method the Cement mould expands about 20 mm when merged in curing water for 24 hours after mould preparation.In that Cement MgO content is about 3.0%,SO3 is about 2.6% & Blaine is about 360 M2/Kg.Guess the reason & suggest solution.

1904


what kind of question can be asked in interview for UV- VISIBLE & give me answer ?

2765


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??

1388


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

1907


what is induction on electrical insulators

1215


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?

1558


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

585


What is the brigg's raucher reaction?

1149


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

2387