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Which of the following pairs has the sam...

Which of the following pairs has the same size ?

A

`Fe^(2+),Ni^(2+)`

B

`Zr^(4+),Ti^(4+)`

C

`Zr^(4+),H^(4+)`

D

`Zn^(2+),Hf^(4+)`

Text Solution

Verified by Experts

The correct Answer is:
C
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NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-NEET-QUESTION
  1. Property of the alkaline earth metals that increases with their atomic...

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  2. During the kinetic study of the reaction, 2A + B → C + D, following ...

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  3. Which of the following pairs has the same size ?

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  4. The correct order of decreasing ionic radii among the following isoele...

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  5. In which one of the following species , the central atom has the tuype...

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  6. Standard entropy of X(2) , Y(2) and XY(3) are 60, 40 and 50JK^(-1)mol...

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  7. Which of the following represents the correct order of increasing elec...

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  8. Which one of the following compounds is a peroxide?

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  9. Which one of the following is most reactive towards electrophilic reag...

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  10. Which one of the following is employed as a tranquilizer drug ?

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  11. In the following the most stable conformation of n-butane is:

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  12. Which of the following reactions will not result in the formation of c...

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  13. Which of the following structures represents neoprene polymer?

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  14. Which one is most reactive towards S(N^(1)) reaction?

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  15. AB crystallizes in a body centred cubic lattice with edge length a equ...

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  16. The number of atoms in 0.1 mol of a triatomic gas is:

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  17. Which of the following molecular hydrises acts as a Lewis acid?

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  18. The Lewis acid character of boron trihalides decreases as: B Br(3) gt ...

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  19. The correct order of N-compounds, in its decreasing order of oxidation...

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  20. Which one of following elements is unable to from MF(6)^(3-) ion?

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