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A nuclide of an alkaine earth metal unde...

A nuclide of an alkaine earth metal undergoes radioactive deacy by emission of the `alpha-` particles in sucession. The group of the periodic tablle to which the resulting daughter element would belong to:

A

group 14

B

group 16

C

group 14

D

group 6

Text Solution

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The correct Answer is:
A
After radioactive decay of element by three succesive emission of `alpha` particles the last element (stable)Pb is obtained which belongs to group 14 of periodic table
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NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-Nuclear Chemistry-Exercise
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  4. ""(92)U""^(235) nucleus absorbes a neutron and disintegrate into ""(54...

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  5. If X^(a) species emit firstly a positron then two alpha and beta last...

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  6. A human body required the 0.01 M activity of radioactive substance aft...

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  7. The half-life of a radioactive isotope is 3 h. if the initial mass of ...

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  8. The half life of C^(14)(lambda=2.31xx10^(-4) per year) is

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  9. In the following radioactive decay x^(232)rarry^(220) how many alpha a...

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  10. Sulphur 35(34,96903 amu) emits a beta- particles but no gamma-rays. Th...

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  11. Number of neutrons i8n a parent nucleus X, which gives ""(7)^(14)N aft...

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  12. Carbon 14 dating method is based on the fact that

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  14. One microgram of radioactie sodium Na^(24) with a half life of 15 h wa...

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  15. 20 mg of C-14 has half-life of 5760 yr. 100 mg of sample containing C-...

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  16. In a radioactive decay, an emitted electron comes from

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  17. If an isotope of hydrogen has two neutrons in its atom, its atomic num...

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  18. Emission of an alpha paritcle leads to a

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  19. The age of most ancient geological formations is estimated by a)C-14 d...

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