Bond Parameters
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CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313478 Increasing order of carbon-carbon bond length for the following is
\({{\rm{C}}_{\rm{2}}}{{\rm{H}}_{\rm{4}}}\,\,\,\,\,{{\rm{C}}_{\rm{2}}}{{\rm{H}}_{\rm{2}}}\,\,\,\,\,{{\rm{C}}_{\rm{6}}}{{\rm{H}}_{\rm{6}}}\,\,\,\,\,{{\rm{C}}_{\rm{2}}}{{\rm{H}}_{\rm{6}}}\)
\(\,\left( {\rm{A}} \right)\,\,\,\,\,\,\,\,\,\left( {\rm{B}} \right)\,\,\,\,\,\,\,\,\left( {\rm{C}} \right)\,\,\,\,\,\,\,\,\,\left( {\rm{D}} \right)\)

1 B < C < A < D
2 C < B < A < D
3 B < A < C < D
4 D < C < A < B
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313479 Select the incorrect statement about N - N bond length will be highest?

1 In \({{\rm{N}}_{\rm{2}}}{{\rm{F}}_{\rm{4}}}{\rm{,}}\) d-orbitals are contracted by electronegative fluorine atoms, but d orbitals contraction is not possible by H - atoms in \({{\rm{N}}_{\rm{2}}}{{\rm{H}}_{\rm{4}}}\)
2 The N-N bond energy in \({{\rm{N}}_{\rm{2}}}{{\rm{F}}_{\rm{4}}}\) is more than N-N bond energy in \({{\rm{N}}_{\rm{2}}}{{\rm{H}}_{\rm{4}}}\)
3 The N-N bond length in \({{\rm{N}}_{\rm{2}}}{{\rm{F}}_{\rm{4}}}\) is more than that of in \({{\rm{N}}_{\rm{2}}}{{\rm{H}}_{\rm{4}}}\)
4 The N-N bond length in \({{\rm{N}}_{\rm{2}}}{{\rm{F}}_{\rm{4}}}\) is less than that of in \({{\rm{N}}_{\rm{2}}}{{\rm{H}}_{\rm{4}}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313480 The bond order of the \(\mathrm{N}-\mathrm{O}\) bonds in \(\mathrm{NO}_{3}^{-}\) ion is

1 0.33
2 1.00
3 1.33
4 1.50
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313481 For a stable molecule the value of bond order must be

1 zero
2 positive
3 negative
4 there is no relationship between stability and bond order
KCET - 2007
NEET DIGITAL LIBRARY
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313478 Increasing order of carbon-carbon bond length for the following is
\({{\rm{C}}_{\rm{2}}}{{\rm{H}}_{\rm{4}}}\,\,\,\,\,{{\rm{C}}_{\rm{2}}}{{\rm{H}}_{\rm{2}}}\,\,\,\,\,{{\rm{C}}_{\rm{6}}}{{\rm{H}}_{\rm{6}}}\,\,\,\,\,{{\rm{C}}_{\rm{2}}}{{\rm{H}}_{\rm{6}}}\)
\(\,\left( {\rm{A}} \right)\,\,\,\,\,\,\,\,\,\left( {\rm{B}} \right)\,\,\,\,\,\,\,\,\left( {\rm{C}} \right)\,\,\,\,\,\,\,\,\,\left( {\rm{D}} \right)\)

1 B < C < A < D
2 C < B < A < D
3 B < A < C < D
4 D < C < A < B
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313479 Select the incorrect statement about N - N bond length will be highest?

1 In \({{\rm{N}}_{\rm{2}}}{{\rm{F}}_{\rm{4}}}{\rm{,}}\) d-orbitals are contracted by electronegative fluorine atoms, but d orbitals contraction is not possible by H - atoms in \({{\rm{N}}_{\rm{2}}}{{\rm{H}}_{\rm{4}}}\)
2 The N-N bond energy in \({{\rm{N}}_{\rm{2}}}{{\rm{F}}_{\rm{4}}}\) is more than N-N bond energy in \({{\rm{N}}_{\rm{2}}}{{\rm{H}}_{\rm{4}}}\)
3 The N-N bond length in \({{\rm{N}}_{\rm{2}}}{{\rm{F}}_{\rm{4}}}\) is more than that of in \({{\rm{N}}_{\rm{2}}}{{\rm{H}}_{\rm{4}}}\)
4 The N-N bond length in \({{\rm{N}}_{\rm{2}}}{{\rm{F}}_{\rm{4}}}\) is less than that of in \({{\rm{N}}_{\rm{2}}}{{\rm{H}}_{\rm{4}}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313480 The bond order of the \(\mathrm{N}-\mathrm{O}\) bonds in \(\mathrm{NO}_{3}^{-}\) ion is

1 0.33
2 1.00
3 1.33
4 1.50
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313481 For a stable molecule the value of bond order must be

1 zero
2 positive
3 negative
4 there is no relationship between stability and bond order
KCET - 2007
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CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313478 Increasing order of carbon-carbon bond length for the following is
\({{\rm{C}}_{\rm{2}}}{{\rm{H}}_{\rm{4}}}\,\,\,\,\,{{\rm{C}}_{\rm{2}}}{{\rm{H}}_{\rm{2}}}\,\,\,\,\,{{\rm{C}}_{\rm{6}}}{{\rm{H}}_{\rm{6}}}\,\,\,\,\,{{\rm{C}}_{\rm{2}}}{{\rm{H}}_{\rm{6}}}\)
\(\,\left( {\rm{A}} \right)\,\,\,\,\,\,\,\,\,\left( {\rm{B}} \right)\,\,\,\,\,\,\,\,\left( {\rm{C}} \right)\,\,\,\,\,\,\,\,\,\left( {\rm{D}} \right)\)

1 B < C < A < D
2 C < B < A < D
3 B < A < C < D
4 D < C < A < B
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313479 Select the incorrect statement about N - N bond length will be highest?

1 In \({{\rm{N}}_{\rm{2}}}{{\rm{F}}_{\rm{4}}}{\rm{,}}\) d-orbitals are contracted by electronegative fluorine atoms, but d orbitals contraction is not possible by H - atoms in \({{\rm{N}}_{\rm{2}}}{{\rm{H}}_{\rm{4}}}\)
2 The N-N bond energy in \({{\rm{N}}_{\rm{2}}}{{\rm{F}}_{\rm{4}}}\) is more than N-N bond energy in \({{\rm{N}}_{\rm{2}}}{{\rm{H}}_{\rm{4}}}\)
3 The N-N bond length in \({{\rm{N}}_{\rm{2}}}{{\rm{F}}_{\rm{4}}}\) is more than that of in \({{\rm{N}}_{\rm{2}}}{{\rm{H}}_{\rm{4}}}\)
4 The N-N bond length in \({{\rm{N}}_{\rm{2}}}{{\rm{F}}_{\rm{4}}}\) is less than that of in \({{\rm{N}}_{\rm{2}}}{{\rm{H}}_{\rm{4}}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313480 The bond order of the \(\mathrm{N}-\mathrm{O}\) bonds in \(\mathrm{NO}_{3}^{-}\) ion is

1 0.33
2 1.00
3 1.33
4 1.50
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313481 For a stable molecule the value of bond order must be

1 zero
2 positive
3 negative
4 there is no relationship between stability and bond order
KCET - 2007
For More Updates join with Us
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313478 Increasing order of carbon-carbon bond length for the following is
\({{\rm{C}}_{\rm{2}}}{{\rm{H}}_{\rm{4}}}\,\,\,\,\,{{\rm{C}}_{\rm{2}}}{{\rm{H}}_{\rm{2}}}\,\,\,\,\,{{\rm{C}}_{\rm{6}}}{{\rm{H}}_{\rm{6}}}\,\,\,\,\,{{\rm{C}}_{\rm{2}}}{{\rm{H}}_{\rm{6}}}\)
\(\,\left( {\rm{A}} \right)\,\,\,\,\,\,\,\,\,\left( {\rm{B}} \right)\,\,\,\,\,\,\,\,\left( {\rm{C}} \right)\,\,\,\,\,\,\,\,\,\left( {\rm{D}} \right)\)

1 B < C < A < D
2 C < B < A < D
3 B < A < C < D
4 D < C < A < B
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313479 Select the incorrect statement about N - N bond length will be highest?

1 In \({{\rm{N}}_{\rm{2}}}{{\rm{F}}_{\rm{4}}}{\rm{,}}\) d-orbitals are contracted by electronegative fluorine atoms, but d orbitals contraction is not possible by H - atoms in \({{\rm{N}}_{\rm{2}}}{{\rm{H}}_{\rm{4}}}\)
2 The N-N bond energy in \({{\rm{N}}_{\rm{2}}}{{\rm{F}}_{\rm{4}}}\) is more than N-N bond energy in \({{\rm{N}}_{\rm{2}}}{{\rm{H}}_{\rm{4}}}\)
3 The N-N bond length in \({{\rm{N}}_{\rm{2}}}{{\rm{F}}_{\rm{4}}}\) is more than that of in \({{\rm{N}}_{\rm{2}}}{{\rm{H}}_{\rm{4}}}\)
4 The N-N bond length in \({{\rm{N}}_{\rm{2}}}{{\rm{F}}_{\rm{4}}}\) is less than that of in \({{\rm{N}}_{\rm{2}}}{{\rm{H}}_{\rm{4}}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313480 The bond order of the \(\mathrm{N}-\mathrm{O}\) bonds in \(\mathrm{NO}_{3}^{-}\) ion is

1 0.33
2 1.00
3 1.33
4 1.50
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313481 For a stable molecule the value of bond order must be

1 zero
2 positive
3 negative
4 there is no relationship between stability and bond order
KCET - 2007
NEET DIGITAL LIBRARY