EEE-1201.docx - Khwaja Yunus Ali University School of Science Engineering Department of Electrical and Electronic Engineering Mid-term Examination Fall

EEE-1201.docx - Khwaja Yunus Ali University School of...

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Khwaja Yunus Ali University School of Science & Engineering Department of Electrical and Electronic Engineering Mid-term Examination: Fall Semester-2019 Program: B.Sc. in EEE (Batch: 8 th ), 1 st Year 2 nd Semester Course Title: Chemistry Course Code: CHEM 1201 Time: 1 hour & 20 minutes Mark: 20 [Answer question no. 1 (one) & any four (4) from the rest of the followings.] 1.a)Calculate the wave length of ‘x’ radiation according to figure-I.2b)In between (I) & (II) which one is more suitable and why? Analyze. 2.a)What are the limitations of Aufbau principle? Give example.2b)Calculate the total energy of an electron revolving in ‘nth’ orbit of hydrogen likeatom. 33.a)What is the difference between an orbit and orbital?2b)Using VSEPR theory, give the geometry & shapes of H2O and NH3.34.a)Write down the conditions for favoring ionic compounds.2b)What is molecular orbital theory? Draw molecular orbital energy level diagramsfor N2and O2. 3 3
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