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28th August 2015, 10:39 AM
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| Re: JNCASR Previous Year Papers
As you want to get Integrated Ph.D. previous year Ques. Paper of JNCASR for you here I am providing : Eligiblity : Materials Science: Candidates must have Bachelor’s degree in any branch of Science. Candidates are expected to have sound knowledge in the fundamentals of Physics, Chemistry and Mathematics. Chemical Science: Bachelor’s degree in any branch of Science with Chemistry as a major and mathematics as a subject at least up to (10+2 level). Question paper of Integrated Ph.D. Programme in Chemical / Materials Science 1. Which one of the electronic configurations represents an atom in an exited state ? A. 1s2, 2s2, 2p6 B. 1s2, 2s2, 2p6, 4s1 C. 1s2, 2s2, 2p2 D. 1s2, 2s2, 2p6, 3s1 2. At a particular temperature nitrogen has the same rms velocity as that of helium gas at 300 K. The temperature of the nitrogen gas would be A. 2100 K B. 4200 K C. 300 K D. 800 K 3. In a flask, colourless N2O4 gas is in equilibrium with brown coloured NO2 gas. At equilibrium, when the flask is heated at 100° C the brown colour deepens and on cooling it becomes less coloured. The change in enthalpy, Delta−H value of this system is A. Negative B. Positive C. Zero D. Undefined 4. The amount of current required to deposit 0.2935 gm of Nickel (atomic mass 58.71 amu ) from an aqueous solution of nickel sulphate is A. 965000 Coulombs B. 9650 Coulombs C. 965 Coulombs D. 96500 Coulombs 5. Among the following compounds, NH3, CH3NH2, C2H5NH2, C6H5NH2, the least basic compound is A. NH3 B. C2H5NH2 C. C6H5NH2 D. CH3NH2 Integrated P.hed Questions paper JNCASR  Address : Jawaharlal Nehru Centre for Advanced Scientific Research Near Mahatma Gandhi Institute, Jakkur P.O. Bengaluru, Karnataka 560064 [MAP]Jawaharlal Nehru Centre for Advanced Scientific Research Bengaluru, Karnataka[/MAP] |