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In which of the following is the ratio of the sizes of cation to anion the smallest?
- a)NaCl
- b)KCl
- c)MgCl2
- d)CaF2
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
In which of the following is the ratio of the sizes of cation to anio...
Na+ = 116 pm, K+ = 152 pm Mg2+ = 86 pm, Ca2+ = 114 pm
F− = 119 pm, Cl− = 167 pm
So, the order of the size of cations is:
Mg2+ < />2+ < />+ < />+
The ratio of the 
will be the smallest for MgCl2.
will be the smallest for MgCl2.Free Test
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Community Answer
In which of the following is the ratio of the sizes of cation to anio...
Explanation:
Size of Cation and Anion:
- The size of cation is determined by the number of protons in the nucleus.
- The size of anion is determined by the number of electrons in the electron cloud.
Ratios of Sizes:
- In NaCl, Na+ cation and Cl- anion have a size ratio of 1:1.
- In KCl, K+ cation and Cl- anion have a size ratio of 1:1.
- In MgCl2, Mg2+ cation and Cl- anion have a size ratio of 1:2.
- In CaF2, Ca2+ cation and F- anion have a size ratio of 1:2.
Smallest Size Ratio:
- Among the given options, MgCl2 has the smallest ratio of cation to anion size, which is 1:2.
- This indicates that the cation (Mg2+) is relatively smaller compared to the anion (Cl-) in MgCl2.
Size of Cation and Anion:
- The size of cation is determined by the number of protons in the nucleus.
- The size of anion is determined by the number of electrons in the electron cloud.
Ratios of Sizes:
- In NaCl, Na+ cation and Cl- anion have a size ratio of 1:1.
- In KCl, K+ cation and Cl- anion have a size ratio of 1:1.
- In MgCl2, Mg2+ cation and Cl- anion have a size ratio of 1:2.
- In CaF2, Ca2+ cation and F- anion have a size ratio of 1:2.
Smallest Size Ratio:
- Among the given options, MgCl2 has the smallest ratio of cation to anion size, which is 1:2.
- This indicates that the cation (Mg2+) is relatively smaller compared to the anion (Cl-) in MgCl2.
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In which of the following is the ratio of the sizes of cation to anion the smallest?a)NaClb)KClc)MgCl2d)CaF2Correct answer is option 'C'. Can you explain this answer?
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In which of the following is the ratio of the sizes of cation to anion the smallest?a)NaClb)KClc)MgCl2d)CaF2Correct answer is option 'C'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about In which of the following is the ratio of the sizes of cation to anion the smallest?a)NaClb)KClc)MgCl2d)CaF2Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In which of the following is the ratio of the sizes of cation to anion the smallest?a)NaClb)KClc)MgCl2d)CaF2Correct answer is option 'C'. Can you explain this answer?.
In which of the following is the ratio of the sizes of cation to anion the smallest?a)NaClb)KClc)MgCl2d)CaF2Correct answer is option 'C'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about In which of the following is the ratio of the sizes of cation to anion the smallest?a)NaClb)KClc)MgCl2d)CaF2Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In which of the following is the ratio of the sizes of cation to anion the smallest?a)NaClb)KClc)MgCl2d)CaF2Correct answer is option 'C'. Can you explain this answer?.
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