Model Paper 9 — Chemistry STD 11 Science — Question
Gujarat BoardEnglish MediumSTD 11 ScienceChemistryModel Paper 93 Marks
Question
Give the electronic configuration of the transition elements. Write their four important characteristics.
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Answer
General electronic configuration of Transition elements: The d-block elements are known as transition elements with general outer electronic configuration as $( n -1) d ^{1-10} ns^{0-2}$. Characteristics of d-block elements: (i) They show variable oxidation states. (ii) Their compounds are generally paramagnetic in nature. (iii) Most of the transition elements form coloured compounds (iv) They are all metals with high melting and boiling points.
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