Download MARKS App - Trusted by 15,00,000+ IIT JEE & NEET aspirants! Download Now
Search any question & find its solution
Question: Answered & Verified by Expert
89Ac231 after emission of some α and β- particles gives 82Pb207 . The number of such α and β- particles are respectively
ChemistryChemical KineticsNEET
Options:
  • A 5,7
  • B 6,5
  • C 7,5
  • D 5,6
Solution:
1231 Upvotes Verified Answer
The correct answer is: 6,5
Number of α- particles =231-2074=6
Number of β=12 892 =5 .

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.