Online TA Profiles
Arun Trikha, PhD
OTA ID#: 104103
| Education Experience: |
BSc , Chemistry, Botany, Zoology and English, Jammu University, 1971 MSc, Chemistry, Jammu University, 1974 PhD, Chemistry, Punjabi University, 1981 |
|---|---|
| Focus of Study: | I have completed my PhD in Chemistry and am working on research projects on synthetic chemistry, nanochemistry, materials and MRI. |
| Awards: | 1. Recipient of National merit scholarship by Governement of India from High School to Master's level
2. Council of Scientific and Industrial Research Award by Govt of India. 3. NSERC award from National Science and Engineering Research Council of Canada. |
| Publications: | More than 40 research publications in international journals. |
| Work Experience: | University of Windsor Canada
1997 to 2002 I worked as a Researcher at the University of Windsor. Punjabi University Patiala 25 years I taught Chemistry. |
| Skills & Achievements: | My main areas on interest are inorganic chemistry, organic chemistry, synthetic chemistry and basic general chemistry. |
| Career Interests: | I have a PhD degree with more than 25 years experience as a university teacher and a good research experience in the area of synthetic chemistry I will accept job in a university or industry. |
| Outside Interests: | Reading, Music, Watching TV and Long Drives. |
| Message to Students and/or Parents: |
A teacher can never teach unless he is a continuous student throughout. In order to become a good teacher one has to grow with the latest innovations. |
| Postings Answered: | 144 |
| Cumulative OTA Rating: | 4.6/5 What is OTA Rating? |
- Chromate-dichromate equilibrium. - See attached file for full problem description. 1. How does the (H+) of the solution affect the CrO42-/Cr2O72- eqiuilibrium? 2. What poof was shown that CrO42- ions exist in a solution of K2Cr2O ...
- Lab(4) spectrums - 7. Suggest a possible structure for the hydrocarbon C6H14, which has the infrared spectrum shown in your lab textbook on pg. 639 (see question # 9-11). Is there more than one correct structure? ...
- Use Le Chatelier's Principle to explain why the Ph of a hydrogen phosphate buffer system remains constant when (a) small amounts of acid are added (b) small amounts of base are added - Buffer solutions have the unique ability to resist changes in PH when an acid or base is added to them. One important buffer system that helps to maintain blood pH at a constant value of 7.4 is the hy ...
- Lab(4) - 1. The form of C-H out-of-plane vibrations -----The first two modes give rise to excellent group frequencies, while the third fundamental does not lend itself to these correlations. a. Explain the f ...
- Separation scheme for isolating benzoic acid - Could you please show me a separation scheme for isolating benzoic acid from a reaction mixture if mixing a Grignard reagent phenylmagnesium bromide with dry ice (CO2) in ether? Thanks!
- Lab(4) stretching - 5. The antisymmetric -CH2-CO-O- stretching vibration in carboxylic acids is heavily mixed with the in-plane bending mode of the O-H group. In alcohols these two vibrations seldom show evidence of mech ...
- Use of genetically modified organisms as the antidotes for chemical warfare is exemplified. - Biotechnology allows us to use living organisms or their processes for human needs or purposes. Currently, this topic includes such general examples as cloning, stem cells (adult, umbilical cord, and ...
- Use Le Chatelier's principle to explain why low pressure is used in the freeze-drying process - Use Le Chatelier's principle to explain why low pressure is used in the freeze-drying process (for example, in making instant coffee).
- Cellular Respiration and Photosynthesis co-exist as paired processes. Photosynthesis converts light energy into organic molecules such as carbohydrates. These molecules are picked up and utilized as fuel sources in organisms that employ Cellular Respiration for production of ATP and CO2. - Cellular Respiration and Photosynthesis co-exist as paired processes. Photosynthesis converts light energy into organic molecules such as carbohydrates. These molecules are picked up and utilized as f ...
- Evolution - What are your thoughts on the impact that biotechnology might have on human evolution? How do you think the human race's expansion into space might affect our evolution?
- Decrease in stability of stannic halides by complexing with phosphines and sulfoxides - Why are stannic halides rendered more inert (towards hydrolysis) by complexing with phosphines and sulfoxides?
- Nernst equation problem. - 71) What is the redox potential of an acid mine water sample which has Fe3+ = 7 x E-03 M and Fe2+ = 4 x E-04 M given that E0 for the Fe3+/Fe2+ couple is 0.77v. Hint: Use Nernst equation
- Discuss the reasons for particular color in coordination compounds of copper,cobalt,nickel and silver.Explain the effects of NH3 and HCl on complex ions in terms of Le Chatelier's principle. Why is it necessary to check glass apparatus before use and what safety precautions we should take in handling HCl and NH3 - Part I. A.Copper and Nickel Ions: Record the colors of the following solutions: 1.CuSO4(aq): 2. [Cu(NH3)4]2+(aq): 3. After HCl addition: 4. NiCl2(aq): 5. [Ni(NH3)6]2+(aq): 6. Afte ...
- The nervous system control of the digestive system. - The human body is composed of a number of organ systems is comprised of a number component organs that work together to accomplish certain tasks. Here are three important human organ system: Circul ...
- Roles of energy in biology - 1. Relate energy concepts to living things - 1 paragraph. 2. Why energy is not recycled in an environment ? 1 paragraph . 3. Why an ecosystem can only support a finite population ...
- Mechanisms - Sn + 2I2 ---> SnI4 (Ac2O,AcOH,reflux on arrow) SnI4 + 2PPh3 ---->(PPh3)2SnI4 (CHCl3 on arrow) SnI4 + (Me2SO)2 ----> SnI4(Me2SO)2 (CH2Cl2 on arrow) Need mechanisms for these reactions if the ...
- Provide solution - As a future biologist, you like to follow news events within many areas of the scientific community. In August 2003, NASA ( the National Aeronautics and Space Administration ) l ...
- General chemsitry - If ΔG is negative, a reaction is spontaneous in the forward direction. A reaction that is not spontaneous at low temperature can become spontaneous at high temperature if ΔH is ________ and ...
- Distinguish pentanal and 2-pentanone, benzyl alcohol and diphenylmethanol - What chemical tests might be used to distinguish between pentanal and 2-pentanone, between benzyl alcohol and diphenylmethanol? I believe that the tests to distinguish pentanal and 2-pentanone can ...
- Mechanisms - 1. Sn + 2I2 -> SnI4 (Ac2O,AcOH, reflux) 2. SnI4 + 2PPh3 -> (PPh3)2SnI4 (CHCl3) 3. SnI4 + (Me2SO)2 -> SnI4(Me2SO)2 (CH2Cl2) For these reactions I need mechanisms like "with curly arrows" lik ...
