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प्रश्न
The elements of 3d transition series are given as: Sc Ti V Cr Mn Fe Co
Answer the following: Which element has the highest m.p?
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उत्तर
Cr has the highest melting point.
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संबंधित प्रश्न
Give reasons:
Transition metals show variable oxidation states.
Explain briefly how +2 state becomes more and more stable in the first half of the first row transition elements with increasing atomic number?
Following are the transition metal ions of 3d series:
Ti4+, V2+, Mn3+, Cr3+
(Atomic numbers: Ti = 22, V = 23, Mn = 25, Cr = 24)
Answer the following:
1) Which ion is most stable in an aqueous solution and why?
2) Which ion is a strong oxidising agent and why?
3) Which ion is colourless and why?
Give reasons Iron has the higher enthalpy of atomization than that of copper.
Transition metals with lowest melting point is ______.
Agcl is soluble in NH4OH. The solubility is due to the information of:-
The electrode potential of M2+/M of 3d-series elements shows the positive value for ______.
The disproportionation of \[\ce{MnO^{2-}_4}\] in acidic medium resulted in the formation of two manganese compounds A and B. If the oxidation state of Mn in B is smaller than that of A, then the spin-only magnetic moment (µ) value of B in BM is ______. (Nearest integer)
Which of the following ions has the electronic configuration 3d6?
(Atomic number: Mn = 25, Co = 27, Ni = 28)
Give a reason for the following.
Some transition metals and their compounds get attracted towards the magnetic field.
