Khwaja Yunus Ali UniversitySchool of Science & EngineeringDepartment of Electrical and Electronic EngineeringMid-term Examination: Fall Semester-2019Program: B.Sc. in EEE (Batch: 8th), 1stYear 2ndSemesterCourse Title:ChemistryCourse Code: CHEM 1201Time: 1 hour & 20 minutesMark: 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 O2.33
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Chemical bond,Department of Electrical and Electronic Engineering,Yunus Ali University