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प्रश्न
Give two similarities in the properties of Sc and Zn.
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उत्तर
Sc and Zn both form colourless compound and are diamagnetic.
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संबंधित प्रश्न
Complete the following chemical equations:
`(i) Cr_2O_7^(2-)+6Fe^(2+)+14H^+ ->`
`(ii) 2CrO_4^(2-)+2H^+ ->`
`(iii) 2MnO_4^-+5C_2O_4^(2-)+16H^+ ->`
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?
Account for the following:
Zn is not considered as a transition element.
Explain why Cu+ ion is not stable in aqueous solutions?
Write the factors which are related to the colour of transition metal ions.
Which one of the following ions is coloured?
An analysis shows that FeO has a non-stoichiometric composition with formula Fe0.95O. Give reason.
Give reasons: Sc3+ is colourless in aqueous solution whereas Ti3+ is coloured.
It has been observed that first ionization energy of 5 d series of transition elements are higher than that of 3d and 4d series, explain why?
Describe the oxidising action of potassium dichromate and write the ionic equation for its reaction with iron (II) solution.
