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The effect of lanthanoid contraction in ...

The effect of lanthanoid contraction in the lanthanoid series of elements by and large means :

A

decrease in atomic radii and increase in ionic radii

B

decrease in both atomic and ionic radii

C

increase in both atomic and ionic radii

D

increase in atomic radii and decrease in ionic radii

Text Solution

Verified by Experts

The correct Answer is:
B
As a result of Actinoid contraction, we observe decrease in size of both atom and ion.
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VMC MODULES ENGLISH-JEE MAIN REVISION TEST - 19-CHEMISTRY
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  3. K(1) and K(2) are equilibrium constants for reaction (i) and (ii) N(...

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  4. Ziegler-Natta catalyst is

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  5. Two pi and half sigma bonds are present in :

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  6. The decreasing order of ease of alkaline hydrolysis for the following ...

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  7. The effect of lanthanoid contraction in the lanthanoid series of eleme...

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  8. Which of the following is an example of homogeneous catalytic reaction...

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  9. The major product of the following reaction is :

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  10. The type of hybridisation and number of lone pair(s) of electrons of X...

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  11. Castner kellner process is given by:

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  12. The major product formed in the reaction given below will be:

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  13. Consider the following reduction processes : Zn^(2+)+2e^(-)toZn(s), ...

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  14. The reducing power of the metal decreases in the order:

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  15. Liquids A and B form an ideal solution in the entire composition range...

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  16. A process has Delta H = 8 K J mol^(-1) " and " Delta S = 80JK^(-1) mo...

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  17. The total number of isomers for a square planer complex [M(F)(Cl)(SCN)...

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  18. Solution of CH3 COOH [Ka = 10^(-5) " at " 25^@ ] is been neutraliz...

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  19. Number of peroxide bonds in the compound Cr2 O(9)^(2-) .

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  20. Number of monobromination products possible for the given hydrocarbon ...

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