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Consider the following statements, "According the Werner's theory. :
(1) Ligands are connected to the metal ions by covalent bonds.
(2) Secondary valencies have directional properties.
(3) Secondary valencies are non-ionisable.
(4) Secondary valencies are satisfied by either neutral or negative legands.
Of these statements.
  • a)
    2, 3 and 4 are correct
  • b)
    2 and 3 are correct
  • c)
    1 and 3 are correct
  • d)
    1, 2 and 4 are correct
Correct answer is option 'A'. Can you explain this answer?
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Consider the following statements, "According the Werner's the...
According to Werner's theory of coordination compounds, the central metal ion is surrounded by a certain number of ligands, which are attached to the metal ion through coordinate covalent bonds. Let's analyze each statement to determine which ones are correct.

(1) Ligands are connected to the metal ions by covalent bonds:
This statement is incorrect. In Werner's theory, ligands are connected to the metal ions through coordinate covalent bonds, where the ligand donates a lone pair of electrons to the metal ion. This results in the formation of a bond between the metal and the ligand, with the metal ion acting as an electron acceptor.

(2) Secondary valencies have directional properties:
This statement is correct. According to Werner's theory, secondary valencies or coordination bonds have directional properties. This means that the ligands can approach the central metal ion from specific directions to form the coordination complex. The geometry and shape of the coordination complex depend on the directionality of the secondary valencies.

(3) Secondary valencies are non-ionizable:
This statement is correct. Secondary valencies are non-ionizable, meaning they do not dissociate into ions in solution. The coordination complex as a whole remains intact and does not break down into separate ions.

(4) Secondary valencies are satisfied by either neutral or negative ligands:
This statement is correct. Secondary valencies can be satisfied by ligands that are either neutral or negatively charged. Neutral ligands donate a lone pair of electrons to form the coordinate covalent bond, while negatively charged ligands donate the lone pair of electrons along with their negative charge.

Based on the analysis, statements (2), (3), and (4) are correct. Therefore, the correct answer is option 'A' - 2, 3, and 4 are correct.
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Consider the following statements, "According the Werner's theory. :(1) Ligands are connected to the metal ions by covalent bonds.(2) Secondary valencies have directional properties.(3) Secondary valencies are non-ionisable.(4) Secondary valencies are satisfied by either neutral or negative legands.Of these statements.a)2, 3 and 4 are correctb)2 and 3 are correctc)1 and 3 are correctd)1, 2 and 4 are correctCorrect answer is option 'A'. Can you explain this answer? for Class 12 2025 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Consider the following statements, "According the Werner's theory. :(1) Ligands are connected to the metal ions by covalent bonds.(2) Secondary valencies have directional properties.(3) Secondary valencies are non-ionisable.(4) Secondary valencies are satisfied by either neutral or negative legands.Of these statements.a)2, 3 and 4 are correctb)2 and 3 are correctc)1 and 3 are correctd)1, 2 and 4 are correctCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 12 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following statements, "According the Werner's theory. :(1) Ligands are connected to the metal ions by covalent bonds.(2) Secondary valencies have directional properties.(3) Secondary valencies are non-ionisable.(4) Secondary valencies are satisfied by either neutral or negative legands.Of these statements.a)2, 3 and 4 are correctb)2 and 3 are correctc)1 and 3 are correctd)1, 2 and 4 are correctCorrect answer is option 'A'. Can you explain this answer?.
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