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The point of dissimilarity between lanth...

The point of dissimilarity between lanthanides and actinic is

A

three outermost shell are partially filled

B

they show oxidation state of +3 (common)

C

they are called inner transition elements

D

they are radioactive in nature

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The correct Answer is:
D
Lanthanides and acinides both are not radioactiye. Except promethium, all lanthanides are non-radioactive. While all actinides are radioactive.
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-MHTCET 2008-CHEMISTRY
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  2. The point of dissimilarity between lanthanides and actinic is

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  5. How many alpha and beta particles are emitted when uranium .(92)^(238)...

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  6. When acetamide is treated with Br(2) and caustic soda, the paroduct fo...

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  7. The final product of the following reaction is/are

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  8. What is the general electronic configuration of transition elements

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  9. Solution A, B, C and D are respectively 0.1 M glucose, 0.05 M NaCl, 0....

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  10. Chloramine-R is a

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  11. Cell reactiomn is spontaneous when

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  12. If Delta E is the heat of reactin for C(2)H(5)OH(l)+3O(2)(g) to 2CO(...

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  13. Which one of the following species acts as both Bronsted acid and base...

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  14. For the reaction : H(2)+I(2)to 2HI, the differential rate law is

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  15. Following reaction: (CH(3))(3)C-Br +H(2)O rarr (CH(3))(3)C-OH +HBr i...

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  16. Calamine is

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  17. End product of the following reaction is CH(3)CH(2)COOH overset(Cl(2...

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  18. On heating benzyl amine with chloroform and ethanolic KOH, product obt...

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  19. Which of the following compounds is not chiral?

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  20. Which of the following ions is colourless in solution?

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