Total number of 3d-series transition ele...

Total number of 3d-series transition elements contain either `3d^(1)` or `4s^(1)` orbital in their ground state electric configuration.

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The transition element ( with few exceptions ) show a large number of oxidation states . The various oxidation states are related to the electronic configuration of their atoms. The variable oxidation states of a transition metal is due to the involvement of (n-1)d and outer ns electrons . For the first five elements of 3d transition series , the minimum oxidation state is equal to the number of electrons in 4s shell and the maximum oxidation state is equal to the sum of 4s and 3d electrons. The relative stability of various oxidation states of a given element can be explained on the basis of stability of d^(0),d^(5) and d^(10) configuration . In 3d series, the maximum oxidation state is shown by

RESONANCE-D & F-BLOCK ELEMENTS & THEIR IMPORTANT COMPOUNDS -Exercise 2

The correct statement(s) from among the following is/are? (i). all t...
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Which of the following statements is not correct?
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Total number of 3d-series transition elements contain either 3d^(1) or...
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How many of the following show variable oxidation states in their comp...
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Magnetic moment value for a d-block ion is 4.90 BM determine value of ...
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Determine total number of unpaired electrons in following ions Ti^(3...
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An element of I^(st) transition series X^(+3) have highest magnetic mo...
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Chromite ore is processed through the following sequence In this ...
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KMnO(4)underset(R.A.)overset(H^(+))toMn^(x) KMnO(4)underset(R.A.)ove...
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The no. of electrons satisfying n+l=7 for Lu (atomic number:71)
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Correct statements about transiton metals are that they:
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Transition elements have greater tendency to form complexes because th...
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Which of the following statements are correct?
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The melting point of Zn is lower as compared to those of the other ele...
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The less stable oxidation states of Cr are:
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Which of the following statement is/are correct?
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Select correct statement(s).
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The colour of the transition metal ions is due to
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Which of the following chemical reaction(s) is//are involved in develo...
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Which of the following statement are correct when a mixture of NaCl a...
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