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³⁵₁₇Cl and ³⁷₁₇Cl are two isotopes of chlorine. If average atomic weight is 35.5 then ratio of these two isotopes is
Options
(a) 35 : 37
(b) 1 : 3
(c) 3 : 1
(d) 2 : 1
Correct Answer:
3 : 1
Explanation:
Average atomic mass A = (X x a + Y x b) / (X+Y)
35.5 = (35X + 37Y) / (X+Y)
X/Y= 3 / 1
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Question Type: Memory
(964)
Difficulty Level: Easy
(1008)
Topics: Basic Concepts of Chemistry
(94)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A 20 mass percent H₂SO₄ solution has density 1.15 g mL⁻¹.Molarity
- Gas A is bubbled through slacked lime, a white precipitate is formed.
- Among the following the compound that is readily soluble in water is
- If 200 mL of gas at 27°C is cooled to 7°C at constant pressure, its final volume will be
- The order of filling of electrons inthe orbitals of an atom will be
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Basic Concepts of Chemistry (94)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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