Verified Solution • 2025–26 Session moderate

QJEEM20Chaec6: JEE Main 2020 Chemistry - Class 11 JEEM20Chaec6 Solution: Hydrogen has three isotopes (A), (B) and (C). If the number of…

Hydrogen has three isotopes (A), (B) and (C). If the number of neutron(s) in (A), (B) and (C) respectively, are (x), (y) and (z), the sum of (x), (y) an (z) is :

Multiple Choice Options

  • A 3
  • B 1
  • C 4
  • D 2

Step-by-Step Verified Solution

Hydrogen has three isotopes

(A) Protium (11H) has 0 neutron.

(B) Deutrium (12H) has 1 neutrons.

(C) Tritium (13H) has 2 neutrons.

Total number of neutrons in three
isotopes of hydrogen = 0 + 1 + 2 = 3

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