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Account for the following : Zn, Cd an...

Account for the following :
Zn, Cd and Hg are soft metals

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Zn, Hg and Cd have completely filled d - orbitals. Absence of unpaired electrons causes weak metallic bonding. Hence they are soft in nature.
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CHHAYA PUBLICATION-D - AND F - BLOCK ELEMENTS -SOLVED CBSE SCANNER
  1. Write the preparation of sodium dichromate from chromite ore (FeCr(2)O...

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  2. Write the formula of an oxoanion of manganese (Mn) in which it shows t...

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  3. Explain the following : Transition metal form large number of compl...

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  4. Explain the following : The lowest oxide of transition metal is bas...

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  5. Write one similarity and one difference between the chemistry of lanth...

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  6. How is the variability in oxidation states of transition metals differ...

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  7. Orange colour of Cr(2)O(7)^(2-) ion changes to yellow when treated wit...

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  8. Chemistry of actinoids is complicated as compared to lanthanoids. Give...

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  9. Write the formula of an oxoanion of Chromium (Cr) in which it shows th...

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  10. Account for the following : Transition metal shows variable oxidati...

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  11. Account for the following : Zn, Cd and Hg are soft metals

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  12. Following are the transition metal ions of 3d - series : Ti^(4+), V^...

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  13. Following are the transition metal ions of 3d - series : Ti^(4+), V^...

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  14. Following are the transition metal ions of 3d - series : Ti^(4+), V^...

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  15. Complete the following equations : 2MnO(4)^(-)+16H^(+)+5S^(2-)to

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  16. Complete the following equations : KMnO(4)overset(" heat ")rarr

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  17. Give reason : Iron has higher enthalpy of atomisation that of coppe...

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  18. Give reason : Sc^(3+) is colourless in aqueous solution whereas Ti^...

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  19. Complete and balance the following chemical equations. Fe^(2+)+MnO(...

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  20. Complete and balance the following chemical equations. MnO(4)^(-)+H...

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