NEET Solved Paper 2016 Question 8
Question: Which of the following statements about hydrogen is incorrect?
Options:
A) hydrogen has three isotopes of which tritium is the most common.
B) Hydrogen never acts as cation in ionic salts
C) Hydronium ion, $ {H_3}{O^{+}} $ exists freely in solution
D) Dihydrogen does not act as a reducing agent
Show Answer
Answer:
Correct Answer: A
Solution:
Hydrogen has three isotopes of which protium $(^1 _1H)$is the most common.
The percent abundance of protium, deuterium and tritium are 99.985, 0.0156 and $10^{−15}$ respectively.