Multiple choice

In which of the following molecules central atom has only one lone pair of electrons?

  1. ICl5
  2. XeCl4
  3. SeCl6
  4. TeF4
  5. PCl5

  1. 1 and 2

  2. 1 and 4

  3. 2 and 3

  4. 2 and 5

  5. 3 and 4
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In ICl5, valence shell of central atom I has 12 electrons (5 bond pairs and one lone pair). In TeF4, valence shell of central atom Te has 10 electrons (4 bond pairs and one lone pair).

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