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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
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Difficulty Level: Easy
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Hydrolysis of trichloromethane with aqueous KOH gives
- Radius ratio of an ionic compound is 0.93. The structure of the above
- Which one of the following metals is required as cofactor by all enzymes
- What is the value of electron gain enthalpy of Na+ if IE₁ of Na =5.1 eV ?
- The pH of solution containing 0.10 M sodium acetate and 0.03 M acetic acid is
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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