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IAFirst Unit Test, 2018H. S. 1st YearSubject : ChemistryTime: 1 HourFull Marks 251. Answer the following questions:1x5=5a) What is the value of 1 torr in SI unit?b) Volume of 0.5 mole of O, at STP.c) Arrange the following in increasing order of their enesgies2p, 3s, 3d, 4s, 4p.d) "Bhor's theory canexplain the spectrum of He ion" trueor false

Answer»

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3. 2p 3s 3d 4s 4p

4. falseBohr's theory is only applicable to hydrogen.



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