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A σ -bonded molecule MX 3 is T - shaped. The number non-bonding pairs of electron is

Options

  1. A0
  2. B2
  3. C1
  4. DCan be predicted only if atomic number of M is known

Correct answer

B. 2

Step-by-step solution

The formula of MX 3 shows the presence of 3 σ bonds. Since, it has T - shape geometry, it must be sp 3 d hybridized and must contain 2 lone pairs as follows These 2 lone pairs will occupy equitorial positions.

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