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Zn, Cd, Hg have lowest melting points in...

Zn, Cd, Hg have lowest melting points in their respective periods. This can be explained based on

A

electrons used for bonding

B

charges present in nucleus

C

defects is crystal structures

D

conducting properties

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The correct Answer is:
A
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AAKASH SERIES-D - BLOCK ELEMENTS-PRACTICE EXERCISE
  1. Percentage of silver in the alloy of German silver

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  2. Bearings are prepared using the alloy

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  3. Zn, Cd, Hg have lowest melting points in their respective periods. Thi...

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  4. Transition element which does not show variable oxidation state is

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  5. More stable compound among the following is

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  6. The element that forms oxide with highest oxidation state

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  7. As the oxidation state of metal in metal oxide increases its acidic na...

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  8. Highest oxidation state exhibited by a lanthanide element is

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  9. Lanthanides are rare earths, but one of them is not available naturall...

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  10. The element with highest number of unpaired L electrons is

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  11. Colour exhibited by divalent Sm in aqueous solutions

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  12. Which of the following is paramagnetic ?

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  13. Compound that is both paramagnetic and coloured is

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  14. Acidic oxide is formed by the metal and oxidation state of the metal i...

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  15. In the preparation of KMnO4, pyrolusite (MnO(2)) is first converted to...

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  16. Which of the following can be employed for the conversion of potassium...

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  17. The reaction MnO(4)^(-)+e^(-)hArrMnO(4)^(2) takes place in

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  18. When MnO(2) is fused with KOH in the presence of air, a coloured compo...

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  19. Acidified potassium dichromate is treated with hydrogen sulphide. In t...

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  20. The equivalent mass of K(2)Cr(2)O(7) when it acts as oxidising agent i...

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