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Question

Which of the following molecule/species is having maximum number of lone pairs in Lewis-dot structure?

A
BH4
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B
BF4
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C
CN
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D
COCl2
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Solution

The correct option is B BF4


The Lewis dot structures of the given species are shown in the figure. The no. of lone pairs are :
  • BH4=0
  • BF4=12
  • CN=2
  • COCl2=8

Hence, the maximum no. of lone pairs are in BF4. Option B is correct.

1925347_1041470_ans_8e862e7ce24040998a95bc693b247a09.png

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