Class 11 Exam > Class 11 Questions > Which pair is not in the correct order of lat...
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Which pair is not in the correct order of lattice energy?
- a)KCl < MgO
- b)AIN > MgO
- c)BeCO3 > MgCO3
- d)BeCO3 = MgCO3
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Which pair is not in the correct order of lattice energy?a)KCl < M...
Based on Fajans' rule,
Smaller the size of cation, larger the size of anion, larger the charge,
d-f-Aelectrons present then larger the polarising power, larger the covalent nature and larger the lattice energy.
Smaller the size of cation, larger the size of anion, larger the charge,
d-f-Aelectrons present then larger the polarising power, larger the covalent nature and larger the lattice energy.
Most Upvoted Answer
Which pair is not in the correct order of lattice energy?a)KCl < M...
Explanation:
Lattice Energy:
Lattice energy is the energy released when gaseous ions form a solid compound. It is a measure of the strength of the ionic bond in a compound.
Correct Order of Lattice Energy:
The correct order of lattice energy is determined by the charges of the ions and the size of the ions. Generally, the higher the charges of the ions and the smaller their size, the higher the lattice energy.
Incorrect Pair:
The pair that is not in the correct order of lattice energy is option D - BeCO3 = MgCO3. This is because the lattice energy of a compound is influenced by the charges of the ions and the sizes of the ions. In this case, the charges of the ions in BeCO3 and MgCO3 are the same (Be2+ and Mg2+), but the size of the ions is different. Beryllium ions (Be2+) are smaller in size compared to magnesium ions (Mg2+), which results in a higher lattice energy for BeCO3 compared to MgCO3. Therefore, the correct order should be BeCO3 > MgCO3.
Correct Order of Lattice Energy:
- KCl > MgO
- AlN > MgO
- BeCO3 > MgCO3
Therefore, the correct order of lattice energy among the given pairs is:
a) KCl > MgO
b) AlN > MgO
c) BeCO3 > MgCO3
Lattice Energy:
Lattice energy is the energy released when gaseous ions form a solid compound. It is a measure of the strength of the ionic bond in a compound.
Correct Order of Lattice Energy:
The correct order of lattice energy is determined by the charges of the ions and the size of the ions. Generally, the higher the charges of the ions and the smaller their size, the higher the lattice energy.
Incorrect Pair:
The pair that is not in the correct order of lattice energy is option D - BeCO3 = MgCO3. This is because the lattice energy of a compound is influenced by the charges of the ions and the sizes of the ions. In this case, the charges of the ions in BeCO3 and MgCO3 are the same (Be2+ and Mg2+), but the size of the ions is different. Beryllium ions (Be2+) are smaller in size compared to magnesium ions (Mg2+), which results in a higher lattice energy for BeCO3 compared to MgCO3. Therefore, the correct order should be BeCO3 > MgCO3.
Correct Order of Lattice Energy:
- KCl > MgO
- AlN > MgO
- BeCO3 > MgCO3
Therefore, the correct order of lattice energy among the given pairs is:
a) KCl > MgO
b) AlN > MgO
c) BeCO3 > MgCO3
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Which pair is not in the correct order of lattice energy?a)KCl < MgOb)AIN > MgOc)BeCO3 > MgCO3d)BeCO3 = MgCO3Correct answer is option 'D'. Can you explain this answer? for Class 11 2025 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about Which pair is not in the correct order of lattice energy?a)KCl < MgOb)AIN > MgOc)BeCO3 > MgCO3d)BeCO3 = MgCO3Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 11 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which pair is not in the correct order of lattice energy?a)KCl < MgOb)AIN > MgOc)BeCO3 > MgCO3d)BeCO3 = MgCO3Correct answer is option 'D'. Can you explain this answer?.
Which pair is not in the correct order of lattice energy?a)KCl < MgOb)AIN > MgOc)BeCO3 > MgCO3d)BeCO3 = MgCO3Correct answer is option 'D'. Can you explain this answer? for Class 11 2025 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about Which pair is not in the correct order of lattice energy?a)KCl < MgOb)AIN > MgOc)BeCO3 > MgCO3d)BeCO3 = MgCO3Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 11 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which pair is not in the correct order of lattice energy?a)KCl < MgOb)AIN > MgOc)BeCO3 > MgCO3d)BeCO3 = MgCO3Correct answer is option 'D'. Can you explain this answer?.
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