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In which one of the following pairs of experimental observations and phenomenon does the experimental observation correctly account for phenomenon:
(1) X-ray spectra Charge on the nucleus
(2)α -particle scattering Quantized electron orbit
(3)Emission spectra The quantization of energy
(4)The photoelectric effect The nuclear atom
Ans: (c)Emission spectra The quantization of energy
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Physical properties of Alkyl cyanides (1) Alkyl cyanides are neutral substance with pleasant odour, similar to bitter almonds. (2) Alkyl cyanides are Lower members containin
Which of the following reduces the activation energy of a chemical reaction?
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why glass electrode is called indicator electrode
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mathematical expression for conductivity of polymers
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