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Which one of the following molecules is expected to exhibit diamagnetic behaviour?CorrectIncorrect
KMnO4 can be prepared from K2MnO4 as per the reaction:
3MnO42– 2H2O 2MnO4– + MnO2 + 4OH–
The reaction can go to completion by removing OH– ions by addingCorrectIncorrect
The outer electron configuration of Gd (Atomic number: 64) is:CorrectIncorrect
The oxidation number of Mn in the product of alkaline oxidative fusion of MnO2 isCorrectIncorrect
The increasing order of the ionic radii of the given isoelectronic species is:CorrectIncorrect
Of the following outer electronic configurations of atoms, the highest oxidation state is achieved by which one of them?CorrectIncorrect
The correct order of values with negative sign for the four successive elements Cr, Mn, Fe and Co isCorrectIncorrect
The spin only magnetic moment of Fe2+ ion (in BM) is approximatelyCorrectIncorrect
Which of the following pairs of elements cannot form an alloy?CorrectIncorrect
Which of the following types of metals form the most efficient catalysts?CorrectIncorrect