CSIR (Council of Scientific & Industrial Research) Chemical Sciences: Questions 253  255 of 427
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Question number: 253
» Physical Chemistry » Principles of Quantum Mechanics » Orbital and Spin Angular Momenta
Appeared in Year: 2014
Question
Simple Huckel molecular orbital theory, (June)
Choices
Choice (4)  Response  

a.  Considers repulsion 

b.  Distinguishes cisbutadiene and cyclobutadine. 

c.  Distinguishes cisbutadiene and transbutadiene. 

d.  Has different coulomb integrals for nonequivalent carbons. 

Question number: 254
» Physical Chemistry » Principles of Quantum Mechanics » Tunneling
Appeared in Year: 2014
Question
A quantum particle with fixed initial energy is allowed to strike four barrier. The transmission Probability is maximum in (Dec)
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  Question does not provide sufficient data or is vague 

Question number: 255
» Physical Chemistry » Principles of Quantum Mechanics » Harmonic Oscillator and the Hydrogen Atom
Appeared in Year: 2013
Question
Quantum mechanical virial theorem for a general potential is given by where T is kinetic energy operator and < > indicates expectation value. This leads to following relation between expectation value of kinetic energy and potential energy for a quantum mechanical harmonic oscillator with potential (Dec)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

