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Chemical similarity between Be and Al is...

Chemical similarity between Be and Al is due to

A

Diagonal relationship

B

Both belong to same period

C

Similar outer electronic configuration

D

Inert pair effect

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The correct Answer is:
A
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NARAYNA-PERIODIC TABLE -All Questions
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  2. The elements 'X', 'Y' and 'Z' form oxides which are acidic, basic and ...

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  3. Chemical similarity between Be and Al is due to

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  4. Pair of ions with polarising power

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  5. Four elements P,Q,R & S have ground state electronic configuration as:...

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  6. The strength of an oxyacid E(OH)(n) , where E is the central atom , de...

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  7. Consider the following ionization energies for a metal M M((g)) rar...

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  8. In general , the configuration of lanthanides in (n-2) f^(1-14) (n-1) ...

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  9. An increase in both atomic and ionic radii with atomic number occurs i...

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  10. Mercury is the only metal which is liquid at 0^(@) C . This is due to...

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  11. Arrange the following ions in order of their inceasing radii : Na^(+) ...

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  12. Which is the correct order of ionisation energies ?

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  13. Fluorine was discovered very late because of its high reactivity . It ...

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  14. Which of the following is correct

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  15. Aqueous solution of two compounds M(1) - O - H and M(2) - O - H are pr...

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  16. The correct order of the first ionisation potentials is

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  17. Three elements X , Y and Z have atomic numbers 19 , 37 and 55 respecti...

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  18. Which of the following pairs is chemically similar ?

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  19. The statement which is not correct for periodic classification of elem...

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  20. Be and Mg have zero values of electron affinity because

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