Lewis Dot Structures of Elements, Molecules, and Polyatomic Ions
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CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313681 An atom of element A has three electrons in its outer shell and B has six electrons in its outer most shell. The formula of the compound formed between these will be

1 \({{\rm{A}}_{\rm{6}}}{{\rm{B}}_{\rm{6}}}\)
2 \({{\rm{A}}_{\rm{2}}}{{\rm{B}}_{\rm{3}}}\)
3 \({{\rm{A}}_{\rm{3}}}{{\rm{B}}_{\rm{2}}}\)
4 \({{\rm{A}}_{\rm{2}}}{\rm{B}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313682 Which of the following conditions are fulfilled by the Lewis dot structure for carbon tetrachloride?
(I) Each covalent bond is formed by sharing of an electron pair between the atoms.
(II) Each combining atom contributes at least one electron to the shared pair.
(III) The combining atoms attain noble gas configurations because of the sharing of electrons.

1 (I) and (II)
2 (II) and (III)
3 (I) and (III)
4 (I), (II), and (III)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313683 Which of following molecule/species is having maximum number of lone pairs in Lewis - dot structure?

1 \(\mathrm{BH}_{4}^{-}\)
2 \(\mathrm{BF}_{4}^{-}\)
3 \(\mathrm{CN}^{-}\)
4 \(\mathrm{COCl}_{2}\)
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CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313681 An atom of element A has three electrons in its outer shell and B has six electrons in its outer most shell. The formula of the compound formed between these will be

1 \({{\rm{A}}_{\rm{6}}}{{\rm{B}}_{\rm{6}}}\)
2 \({{\rm{A}}_{\rm{2}}}{{\rm{B}}_{\rm{3}}}\)
3 \({{\rm{A}}_{\rm{3}}}{{\rm{B}}_{\rm{2}}}\)
4 \({{\rm{A}}_{\rm{2}}}{\rm{B}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313682 Which of the following conditions are fulfilled by the Lewis dot structure for carbon tetrachloride?
(I) Each covalent bond is formed by sharing of an electron pair between the atoms.
(II) Each combining atom contributes at least one electron to the shared pair.
(III) The combining atoms attain noble gas configurations because of the sharing of electrons.

1 (I) and (II)
2 (II) and (III)
3 (I) and (III)
4 (I), (II), and (III)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313683 Which of following molecule/species is having maximum number of lone pairs in Lewis - dot structure?

1 \(\mathrm{BH}_{4}^{-}\)
2 \(\mathrm{BF}_{4}^{-}\)
3 \(\mathrm{CN}^{-}\)
4 \(\mathrm{COCl}_{2}\)
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CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313681 An atom of element A has three electrons in its outer shell and B has six electrons in its outer most shell. The formula of the compound formed between these will be

1 \({{\rm{A}}_{\rm{6}}}{{\rm{B}}_{\rm{6}}}\)
2 \({{\rm{A}}_{\rm{2}}}{{\rm{B}}_{\rm{3}}}\)
3 \({{\rm{A}}_{\rm{3}}}{{\rm{B}}_{\rm{2}}}\)
4 \({{\rm{A}}_{\rm{2}}}{\rm{B}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313682 Which of the following conditions are fulfilled by the Lewis dot structure for carbon tetrachloride?
(I) Each covalent bond is formed by sharing of an electron pair between the atoms.
(II) Each combining atom contributes at least one electron to the shared pair.
(III) The combining atoms attain noble gas configurations because of the sharing of electrons.

1 (I) and (II)
2 (II) and (III)
3 (I) and (III)
4 (I), (II), and (III)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313683 Which of following molecule/species is having maximum number of lone pairs in Lewis - dot structure?

1 \(\mathrm{BH}_{4}^{-}\)
2 \(\mathrm{BF}_{4}^{-}\)
3 \(\mathrm{CN}^{-}\)
4 \(\mathrm{COCl}_{2}\)
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