04. CHEMICAL BONDING AND MOLECULAR STRUCTURE[KARNATAKA CET EXCLUSIVE]
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CHEMISTRY(KCET)

285261 Which of the following structures of a moleculeis expected to have three bond pairs and one lone pair of electrons?

1 Trigonal Planar
2 Tetrahedral
3 Octahedral
4 Pyramidal
Karnataka CET 2017
CHEMISTRY(KCET)

285262 Which of the following is the correct electron dot structure of\(\mathrm{N}_2 \mathrm{O}\) molecule?

1 \(: \ddot{\mathrm{N}}=\mathrm{N}=\ddot{\mathrm{O}}\)
2 \(: \ddot{\mathrm{N}}-\mathrm{N}=\ddot{\mathrm{O}}\) :
3 \(: \mathrm{N}=\mathrm{N}=\ddot{\mathrm{O}}:\)
4 \(: \mathrm{N}=\stackrel{+}{\mathrm{N}}-\stackrel{\rightharpoonup}{\mathrm{O}} \overline{\mathrm{F}}\)
Karnataka CET 2017
CHEMISTRY(KCET)

285263 Arrange the following in the increasing order of their bond order

\(\mathrm{O}_2, \mathrm{O}_2^{+}, \mathrm{O}_2^{-}\)and \(\mathrm{O}_2^{2-}\)

1 \(\mathrm{O}_2^{2-}, \mathrm{O}_2^{-}, \mathrm{O}_2^{+}, \mathrm{O}_2\)
2 \(\mathrm{O}_2^{+}, \mathrm{O}_2, \mathrm{O}_2^{-}, \mathrm{O}_2^{2-}\)
3 \(\mathrm{O}_2, \mathrm{O}_2^{+}, \mathrm{O}_2^{-}, \mathrm{O}_2^{2-}\)
4 \(\mathrm{O}_2^{2-}, \mathrm{O}_2^{-}, \mathrm{O}_2, \mathrm{O}_2^{+}\)
Karnataka CET 2009
CHEMISTRY(KCET)

285264 HCl gas is covalent and NaCl is an ionic compound. This is because

1 sodium is highly electropositive
2 hydrogen is a non-metal
3 HCl is a gas
4 electronegativity difference between H and Cl is less than 2.1 .
Karnataka CET 2016
CHEMISTRY(KCET)

285265 Main axis of diatomic molecule is\(z\). The orbitals \(p_x\) and \(p_y\) overlap to form

1 \(\pi\)-molecular orbital
2 \(\sigma\)-molecular orbital
3 \(\delta\)-molecular orbital
4 no bond is formed.
Karnataka CET 2016
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CHEMISTRY(KCET)

285261 Which of the following structures of a moleculeis expected to have three bond pairs and one lone pair of electrons?

1 Trigonal Planar
2 Tetrahedral
3 Octahedral
4 Pyramidal
Karnataka CET 2017
CHEMISTRY(KCET)

285262 Which of the following is the correct electron dot structure of\(\mathrm{N}_2 \mathrm{O}\) molecule?

1 \(: \ddot{\mathrm{N}}=\mathrm{N}=\ddot{\mathrm{O}}\)
2 \(: \ddot{\mathrm{N}}-\mathrm{N}=\ddot{\mathrm{O}}\) :
3 \(: \mathrm{N}=\mathrm{N}=\ddot{\mathrm{O}}:\)
4 \(: \mathrm{N}=\stackrel{+}{\mathrm{N}}-\stackrel{\rightharpoonup}{\mathrm{O}} \overline{\mathrm{F}}\)
Karnataka CET 2017
CHEMISTRY(KCET)

285263 Arrange the following in the increasing order of their bond order

\(\mathrm{O}_2, \mathrm{O}_2^{+}, \mathrm{O}_2^{-}\)and \(\mathrm{O}_2^{2-}\)

1 \(\mathrm{O}_2^{2-}, \mathrm{O}_2^{-}, \mathrm{O}_2^{+}, \mathrm{O}_2\)
2 \(\mathrm{O}_2^{+}, \mathrm{O}_2, \mathrm{O}_2^{-}, \mathrm{O}_2^{2-}\)
3 \(\mathrm{O}_2, \mathrm{O}_2^{+}, \mathrm{O}_2^{-}, \mathrm{O}_2^{2-}\)
4 \(\mathrm{O}_2^{2-}, \mathrm{O}_2^{-}, \mathrm{O}_2, \mathrm{O}_2^{+}\)
Karnataka CET 2009
CHEMISTRY(KCET)

285264 HCl gas is covalent and NaCl is an ionic compound. This is because

1 sodium is highly electropositive
2 hydrogen is a non-metal
3 HCl is a gas
4 electronegativity difference between H and Cl is less than 2.1 .
Karnataka CET 2016
CHEMISTRY(KCET)

285265 Main axis of diatomic molecule is\(z\). The orbitals \(p_x\) and \(p_y\) overlap to form

1 \(\pi\)-molecular orbital
2 \(\sigma\)-molecular orbital
3 \(\delta\)-molecular orbital
4 no bond is formed.
Karnataka CET 2016
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CHEMISTRY(KCET)

285261 Which of the following structures of a moleculeis expected to have three bond pairs and one lone pair of electrons?

1 Trigonal Planar
2 Tetrahedral
3 Octahedral
4 Pyramidal
Karnataka CET 2017
CHEMISTRY(KCET)

285262 Which of the following is the correct electron dot structure of\(\mathrm{N}_2 \mathrm{O}\) molecule?

1 \(: \ddot{\mathrm{N}}=\mathrm{N}=\ddot{\mathrm{O}}\)
2 \(: \ddot{\mathrm{N}}-\mathrm{N}=\ddot{\mathrm{O}}\) :
3 \(: \mathrm{N}=\mathrm{N}=\ddot{\mathrm{O}}:\)
4 \(: \mathrm{N}=\stackrel{+}{\mathrm{N}}-\stackrel{\rightharpoonup}{\mathrm{O}} \overline{\mathrm{F}}\)
Karnataka CET 2017
CHEMISTRY(KCET)

285263 Arrange the following in the increasing order of their bond order

\(\mathrm{O}_2, \mathrm{O}_2^{+}, \mathrm{O}_2^{-}\)and \(\mathrm{O}_2^{2-}\)

1 \(\mathrm{O}_2^{2-}, \mathrm{O}_2^{-}, \mathrm{O}_2^{+}, \mathrm{O}_2\)
2 \(\mathrm{O}_2^{+}, \mathrm{O}_2, \mathrm{O}_2^{-}, \mathrm{O}_2^{2-}\)
3 \(\mathrm{O}_2, \mathrm{O}_2^{+}, \mathrm{O}_2^{-}, \mathrm{O}_2^{2-}\)
4 \(\mathrm{O}_2^{2-}, \mathrm{O}_2^{-}, \mathrm{O}_2, \mathrm{O}_2^{+}\)
Karnataka CET 2009
CHEMISTRY(KCET)

285264 HCl gas is covalent and NaCl is an ionic compound. This is because

1 sodium is highly electropositive
2 hydrogen is a non-metal
3 HCl is a gas
4 electronegativity difference between H and Cl is less than 2.1 .
Karnataka CET 2016
CHEMISTRY(KCET)

285265 Main axis of diatomic molecule is\(z\). The orbitals \(p_x\) and \(p_y\) overlap to form

1 \(\pi\)-molecular orbital
2 \(\sigma\)-molecular orbital
3 \(\delta\)-molecular orbital
4 no bond is formed.
Karnataka CET 2016
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CHEMISTRY(KCET)

285261 Which of the following structures of a moleculeis expected to have three bond pairs and one lone pair of electrons?

1 Trigonal Planar
2 Tetrahedral
3 Octahedral
4 Pyramidal
Karnataka CET 2017
CHEMISTRY(KCET)

285262 Which of the following is the correct electron dot structure of\(\mathrm{N}_2 \mathrm{O}\) molecule?

1 \(: \ddot{\mathrm{N}}=\mathrm{N}=\ddot{\mathrm{O}}\)
2 \(: \ddot{\mathrm{N}}-\mathrm{N}=\ddot{\mathrm{O}}\) :
3 \(: \mathrm{N}=\mathrm{N}=\ddot{\mathrm{O}}:\)
4 \(: \mathrm{N}=\stackrel{+}{\mathrm{N}}-\stackrel{\rightharpoonup}{\mathrm{O}} \overline{\mathrm{F}}\)
Karnataka CET 2017
CHEMISTRY(KCET)

285263 Arrange the following in the increasing order of their bond order

\(\mathrm{O}_2, \mathrm{O}_2^{+}, \mathrm{O}_2^{-}\)and \(\mathrm{O}_2^{2-}\)

1 \(\mathrm{O}_2^{2-}, \mathrm{O}_2^{-}, \mathrm{O}_2^{+}, \mathrm{O}_2\)
2 \(\mathrm{O}_2^{+}, \mathrm{O}_2, \mathrm{O}_2^{-}, \mathrm{O}_2^{2-}\)
3 \(\mathrm{O}_2, \mathrm{O}_2^{+}, \mathrm{O}_2^{-}, \mathrm{O}_2^{2-}\)
4 \(\mathrm{O}_2^{2-}, \mathrm{O}_2^{-}, \mathrm{O}_2, \mathrm{O}_2^{+}\)
Karnataka CET 2009
CHEMISTRY(KCET)

285264 HCl gas is covalent and NaCl is an ionic compound. This is because

1 sodium is highly electropositive
2 hydrogen is a non-metal
3 HCl is a gas
4 electronegativity difference between H and Cl is less than 2.1 .
Karnataka CET 2016
CHEMISTRY(KCET)

285265 Main axis of diatomic molecule is\(z\). The orbitals \(p_x\) and \(p_y\) overlap to form

1 \(\pi\)-molecular orbital
2 \(\sigma\)-molecular orbital
3 \(\delta\)-molecular orbital
4 no bond is formed.
Karnataka CET 2016
Join With Us for More Updates
CHEMISTRY(KCET)

285261 Which of the following structures of a moleculeis expected to have three bond pairs and one lone pair of electrons?

1 Trigonal Planar
2 Tetrahedral
3 Octahedral
4 Pyramidal
Karnataka CET 2017
CHEMISTRY(KCET)

285262 Which of the following is the correct electron dot structure of\(\mathrm{N}_2 \mathrm{O}\) molecule?

1 \(: \ddot{\mathrm{N}}=\mathrm{N}=\ddot{\mathrm{O}}\)
2 \(: \ddot{\mathrm{N}}-\mathrm{N}=\ddot{\mathrm{O}}\) :
3 \(: \mathrm{N}=\mathrm{N}=\ddot{\mathrm{O}}:\)
4 \(: \mathrm{N}=\stackrel{+}{\mathrm{N}}-\stackrel{\rightharpoonup}{\mathrm{O}} \overline{\mathrm{F}}\)
Karnataka CET 2017
CHEMISTRY(KCET)

285263 Arrange the following in the increasing order of their bond order

\(\mathrm{O}_2, \mathrm{O}_2^{+}, \mathrm{O}_2^{-}\)and \(\mathrm{O}_2^{2-}\)

1 \(\mathrm{O}_2^{2-}, \mathrm{O}_2^{-}, \mathrm{O}_2^{+}, \mathrm{O}_2\)
2 \(\mathrm{O}_2^{+}, \mathrm{O}_2, \mathrm{O}_2^{-}, \mathrm{O}_2^{2-}\)
3 \(\mathrm{O}_2, \mathrm{O}_2^{+}, \mathrm{O}_2^{-}, \mathrm{O}_2^{2-}\)
4 \(\mathrm{O}_2^{2-}, \mathrm{O}_2^{-}, \mathrm{O}_2, \mathrm{O}_2^{+}\)
Karnataka CET 2009
CHEMISTRY(KCET)

285264 HCl gas is covalent and NaCl is an ionic compound. This is because

1 sodium is highly electropositive
2 hydrogen is a non-metal
3 HCl is a gas
4 electronegativity difference between H and Cl is less than 2.1 .
Karnataka CET 2016
CHEMISTRY(KCET)

285265 Main axis of diatomic molecule is\(z\). The orbitals \(p_x\) and \(p_y\) overlap to form

1 \(\pi\)-molecular orbital
2 \(\sigma\)-molecular orbital
3 \(\delta\)-molecular orbital
4 no bond is formed.
Karnataka CET 2016