Home
Class 12
CHEMISTRY
The end product of 4n series is a).(82)P...

The end product of `4n` series is a)`._(82)Pb^(208)` b)`._(82)Pb^(207)` c)`._(82)Pb^(209)` d)`._(82)Pb^(204)`

A

`._(82)^(208)Pb`

B

`._(82)^(207)Pb`

C

`._(82)^(209)Pb`

D

`._(83)^(210)Bi`

Text Solution

Verified by Experts

The correct Answer is:
a
Promotional Banner

Topper's Solved these Questions

  • RADIOACTIVITY AND NUCLEAR TRANSFORMATION

    OP TANDON|Exercise OBJ - B|54 Videos
  • RADIOACTIVITY AND NUCLEAR TRANSFORMATION

    OP TANDON|Exercise Assettion Reason|26 Videos
  • RADIOACTIVITY AND NUCLEAR TRANSFORMATION

    OP TANDON|Exercise Problem Practices|44 Videos
  • ORGANIC COMPOUNDS CONTAINING NITROGEN

    OP TANDON|Exercise Single integer|8 Videos
  • SATURATED ALIPHATIC HYDROCARBONS

    OP TANDON|Exercise SINGLE INTEGER ANSWER TYPE QUESTIONS|7 Videos

Similar Questions

Explore conceptually related problems

Which of the following has magic number of protons and neutrons? a. ._(82)Pb^(208) b. ._(2)He^(3) c. ._(50)Sn^(120) d. ._(82)Pb^(206)

The weight of 1 curie ._(82)Pb^(214) (t_(1//2)=26.8 min) in grams is

From the reaction given below, deduce the group of polonium in the periodic table (Pb belongs to group 14) ._(84)Po^(210) rarr ._(82)Pb^(206) + ._(2)He^(4)

(a) On analysis a sample of uranium ore was found to contian 0.277g of ._(82)Pb^(206) and 1.667g of ._(92)Pb^(206) and 1.667g of ._(92)U^(238) . The half life period of U^(238) is 4.51xx10^(9) year. IF all the lead were assumed to have come from decay of ._(92)U^(238) , What is the age of earth? (b) An ore of ._(92)U^(238) is found to contain ._(92)U^(238) and ._(82)Pb^(206) in the weight ratio of 1: 0.1 The half-life period of ._(92)U^(238) is 4.5xx10^(9) year. Caluculate the age of ore.

Uranium ( ""_(92)U""^(238) ) decayed to ""_(82)Pb""^(206) . The process is ""_(92)U""^(238)underset(xalpha,ybeta)to.""_(82)Pb""^(206) t""_(1//2)of U""^(238)=4.5xx10""^(9) years x and y in above decay series are

The number of alpha -particles emitted by ""_(84)^(218)Ra rarr ""_(82)^(206)Pb is

The wavelength of K_(a) , X-rays for lead isotopes Pb^(208),Pb^(206),Pb^(204)" are"lambda_(1),lambda_(2)" and"lambda_(3), resperctively. Then

Uranium ._(92)U^(238) decayed to ._(82)Pb^(206) . They decay process is ._(92)U^(238) underset((x alpha, y beta))(rarr ._(82)Pb^(206)) t_(1//2) of U^(238) = 4.5 xx 10^(9) years The analysis of a rock shows the relative number of U^(238) and Pb^(206) atoms (Pb//U = 0.25) The age of rock will be

Uranium ( ""_(92)U""^(238) ) decayed to ""_(82)Pb""^(206) . The process is ""_(92)U""^(238)underset(xalpha,ybeta)to.""_(82)Pb""^(206) t""_(1//2)of U""^(238)=4.5xx10""^(9) years The analysis of a rock shows the relative number of U""^(238) and Pb""^(206) atoms (Pb/U=0.25). The age of rock will be

OP TANDON-RADIOACTIVITY AND NUCLEAR TRANSFORMATION -OBJ - A
  1. When .(88)^(226)Ra emits an alpha-particle, the new element formed bel...

    Text Solution

    |

  2. The radius of nucleus is:

    Text Solution

    |

  3. The end product of 4n series is a).(82)Pb^(208) b).(82)Pb^(207) c).(82...

    Text Solution

    |

  4. 4n + 2 series is known as:

    Text Solution

    |

  5. A radioactive element A on disintegration gives two elements B and C. ...

    Text Solution

    |

  6. .^(234)U has 92 protons and 234 nucleons total in tis nucleus. It deca...

    Text Solution

    |

  7. Starting from radium, the radioactive disintegration process terminat...

    Text Solution

    |

  8. The only, most stable nucleus formed by bombarding either .(13)^(27)Al...

    Text Solution

    |

  9. The number of alpha-particles emitted per second by 1g fo .^(226)Ra is...

    Text Solution

    |

  10. The decay constant of Ra^(226) is 1.37xx10^(-11)s^(-1). A sample of Ra...

    Text Solution

    |

  11. A sample of .(19)^(40)K contains invariably .(18)^(40)Ar. This is beca...

    Text Solution

    |

  12. If the amount of radioactive substance is increased three times, the n...

    Text Solution

    |

  13. The decay constant of a radioactive sample is 'lambda'. The half-life ...

    Text Solution

    |

  14. Radium has atomic weight 226 and a half-life of 1600 Yr. The number of...

    Text Solution

    |

  15. A radioactive sample has a half life 1500 years. A sealed tube conatai...

    Text Solution

    |

  16. C^(14) has a half- life of 5760 years. 100mg of the sample containing ...

    Text Solution

    |

  17. If 3//4 quantity of a radioactive substance disintegrates in 2 hours, ...

    Text Solution

    |

  18. Half life of radium is 1580 years. It remains 1/16 after the…..

    Text Solution

    |

  19. If half life period of radium is 1600 years, its average life period w...

    Text Solution

    |

  20. A radioactive isotope having a half life of 3 days was received after ...

    Text Solution

    |