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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
Why +2 oxidation state of manganese is more stable?
Explain briefly how +2 state becomes more and more stable in the first half of the first row transition elements with increasing atomic number?
Which of the d-block elements may not be regarded as the transition elements?
What are alloys?
NF3 is possible, but NF5 is not. Why?
Complete and balance the following chemical equations
`Fe^(2+) + MnO_4^(-) + H^+ ->`
Although fluorine is more electronegative than oxygen, but the ability of oxygen to stabilise higher oxidation states exceeds that of fluorine. Why?
Assertion (A): Cu cannot liberate hydrogen from acids.
Reason (R): Because it has positive electrode potential.
Which of the following ions has the maximum magnetic moment?
Write the number of unpaired electrons in Cr3+.
(Atomic number of Cr = 24)
