Octet Rule and Its Limitations
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CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313813 How many number of species are hypovalent? \(\mathrm{BeCl}_{2}, \mathrm{BCl}_{3}, \mathrm{CCl}_{4}, \mathrm{PCl}_{3}, \mathrm{O}_{2}, \mathrm{H}_{2}\)

1 2
2 3
3 4
4 5
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313814 Which of the following molecule(s) obey the octet rule?
(i) \({\left[ {{\rm{B}}{{\rm{F}}_{\rm{4}}}} \right]^{\rm{ - }}}\)
(ii) \({\left[ {{\rm{AlC}}{{\rm{l}}_{\rm{4}}}} \right]^{\rm{ - }}}\)
(iii) \({\rm{S}}{{\rm{O}}_{\rm{2}}}\)
(iv) \({\rm{CC}}{{\rm{l}}_{\rm{4}}}\)

1 (i), (ii), (iii), (iv)
2 (ii), (iii), (iv)
3 (i), (iii), (iv)
4 (i), (ii), (iv)
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CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313813 How many number of species are hypovalent? \(\mathrm{BeCl}_{2}, \mathrm{BCl}_{3}, \mathrm{CCl}_{4}, \mathrm{PCl}_{3}, \mathrm{O}_{2}, \mathrm{H}_{2}\)

1 2
2 3
3 4
4 5
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313814 Which of the following molecule(s) obey the octet rule?
(i) \({\left[ {{\rm{B}}{{\rm{F}}_{\rm{4}}}} \right]^{\rm{ - }}}\)
(ii) \({\left[ {{\rm{AlC}}{{\rm{l}}_{\rm{4}}}} \right]^{\rm{ - }}}\)
(iii) \({\rm{S}}{{\rm{O}}_{\rm{2}}}\)
(iv) \({\rm{CC}}{{\rm{l}}_{\rm{4}}}\)

1 (i), (ii), (iii), (iv)
2 (ii), (iii), (iv)
3 (i), (iii), (iv)
4 (i), (ii), (iv)
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