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प्रश्न
Account for the following:
Zn is not considered as a transition element.
Why is zinc not regarded as a transition element? (at np Zn = 30)
Examine the following observation:
Zinc is not regarded as a transition element.
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उत्तर १
Zinc is not considered a transition element because it does not have partly filled (or incomplete) d-subshell. It has 3d-subshell full filled.
उत्तर २
Transition metals show vacant d-orbitals but Zn metal has completely filled d-orbitals.
∴ Zn is not regarded as the transition element.
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संबंधित प्रश्न
Account for the following:
Cu+2 salts are coloured, while Zn2+ salts are white.
How is the variability in oxidation states of transition metals different from that of the non-transition metals? Illustrate with examples.
How is the variability in oxidation states of transition metals different from that of the non-transition metals? Illustrate with examples.
What are inner transition elements?
Write the factors which are related to the colour of transition metal ions.
In lake test for Al3+ ions, there is the formation of coloured ‘floating lake’. It is due to ______.
EΘ of Cu is + 0.34V while that of Zn is – 0.76V. Explain.
The number of terminal oxygen atoms present in the product B obtained from the following reactions is:
\[\ce{FeCr2O4 + Na2CO3 + O2 -> A + Fe2O3 + CO2}\]
\[\ce{A + H^+ -> B + H2O + Na^+}\]
Consider the following standard electrode potentials (E° in volts) in aqueous solution:
| Element | M3+/M | M+/M |
| Al | - 1.66 | +0.55 |
| Tl | + 1.26 | -0.34 |
Based on these data, which of the following statements is correct?
Account for the following:
Zirconium (Zr) and Hafnium (Hf) are difficult to separate.
