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The Lanthanide contraction is responsibl...

The Lanthanide contraction is responsible for the fact that

A

Zr and Hf have same radius

B

Zr and Zn have the same oxidation state

C

Zr and Y have same radius

D

Zr and Nb have similar oxidation state

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The correct Answer is:
A
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NARAYNA-PERIODIC TABLE -All Questions
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  2. As number of protons is the nucleus increases, atomic radius gradually...

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  3. The Lanthanide contraction is responsible for the fact that

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  4. The increasing order of the atomic radius of Si,S, Na, Mg,Al is

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  5. Which of the following process refers to ionisation potential ?

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  6. The element with highest ionization potential is

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  7. In the long form of periodic table elements with low ionisation potent...

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  8. As atomic number of elements increases I.P. value of the elements of t...

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  9. The ionization potential values of an element are in the following ord...

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  10. Which of the following elements has the lowest ionization potential ?

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  11. The ionisation energy of nitrogen is more than that of oxygen because

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  12. The correct order of the second ionisation potential of carbon, nitrog...

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  13. The I(1) values of Li,Be and C are 5.4 eV//"atom", 9.32 eV//"atom" and...

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  14. The ionisation potential of "X" ion is equal to

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  15. The I(1) of potassium is 4.339 eV//"atom". The I(1) of sodium

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  16. The first ionization potentials of four consecutive elements present i...

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  17. Which of the following transitions involves maximum amount of energy?

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  18. The I(1),I(2),I(3),I(4) values of an element "M" are 120 kJ/mole, 600 ...

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  19. The electronic configuration of element A, B, and Care [He]2s^(1),[Ne]...

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  20. Which of the following species has the highest ionization potential

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