04. CHEMICAL BONDING AND MOLECULAR STRUCTURE
Chemical Bonding and Molecular Structure

11969 Which of the following has covalent bond

1 \(N{a_2}S\)
2 \(AlC{l_3}\)
3 \(NaH\)
4 \(MgC{l_2}\)
Chemical Bonding and Molecular Structure

11970 The following element forms a molecule with eight its own weight atoms

1 \(Si\)
2 \(S\)
3 \(Cl\)
4 \(P\)
Chemical Bonding and Molecular Structure

12007 Pick out the molecule which has zero dipole moment

1 \(N{H_3}\)
2 \({H_2}O\)
3 \(BC{l_3}\)
4 \(S{O_2}\)
Chemical Bonding and Molecular Structure

11971 In \({H_2}{O_2}\), the two oxygen atoms have

1 Electrovalent bond
2 Covalent bond
3 Coordinate bond
4 No bond
Chemical Bonding and Molecular Structure

11972 Carbon has a valency of \(2\) in \(CO\) and \(4\) in \(C{O_2}\) and \(C{H_4}\). Its valency in acetylene \(\left( {{C_2}{H_2}} \right)\) is

1 \(4\)
2 \(2\)
3 \(3\)
4 \(1\)
Chemical Bonding and Molecular Structure

11969 Which of the following has covalent bond

1 \(N{a_2}S\)
2 \(AlC{l_3}\)
3 \(NaH\)
4 \(MgC{l_2}\)
Chemical Bonding and Molecular Structure

11970 The following element forms a molecule with eight its own weight atoms

1 \(Si\)
2 \(S\)
3 \(Cl\)
4 \(P\)
Chemical Bonding and Molecular Structure

12007 Pick out the molecule which has zero dipole moment

1 \(N{H_3}\)
2 \({H_2}O\)
3 \(BC{l_3}\)
4 \(S{O_2}\)
Chemical Bonding and Molecular Structure

11971 In \({H_2}{O_2}\), the two oxygen atoms have

1 Electrovalent bond
2 Covalent bond
3 Coordinate bond
4 No bond
Chemical Bonding and Molecular Structure

11972 Carbon has a valency of \(2\) in \(CO\) and \(4\) in \(C{O_2}\) and \(C{H_4}\). Its valency in acetylene \(\left( {{C_2}{H_2}} \right)\) is

1 \(4\)
2 \(2\)
3 \(3\)
4 \(1\)
Chemical Bonding and Molecular Structure

11969 Which of the following has covalent bond

1 \(N{a_2}S\)
2 \(AlC{l_3}\)
3 \(NaH\)
4 \(MgC{l_2}\)
Chemical Bonding and Molecular Structure

11970 The following element forms a molecule with eight its own weight atoms

1 \(Si\)
2 \(S\)
3 \(Cl\)
4 \(P\)
Chemical Bonding and Molecular Structure

12007 Pick out the molecule which has zero dipole moment

1 \(N{H_3}\)
2 \({H_2}O\)
3 \(BC{l_3}\)
4 \(S{O_2}\)
Chemical Bonding and Molecular Structure

11971 In \({H_2}{O_2}\), the two oxygen atoms have

1 Electrovalent bond
2 Covalent bond
3 Coordinate bond
4 No bond
Chemical Bonding and Molecular Structure

11972 Carbon has a valency of \(2\) in \(CO\) and \(4\) in \(C{O_2}\) and \(C{H_4}\). Its valency in acetylene \(\left( {{C_2}{H_2}} \right)\) is

1 \(4\)
2 \(2\)
3 \(3\)
4 \(1\)
Chemical Bonding and Molecular Structure

11969 Which of the following has covalent bond

1 \(N{a_2}S\)
2 \(AlC{l_3}\)
3 \(NaH\)
4 \(MgC{l_2}\)
Chemical Bonding and Molecular Structure

11970 The following element forms a molecule with eight its own weight atoms

1 \(Si\)
2 \(S\)
3 \(Cl\)
4 \(P\)
Chemical Bonding and Molecular Structure

12007 Pick out the molecule which has zero dipole moment

1 \(N{H_3}\)
2 \({H_2}O\)
3 \(BC{l_3}\)
4 \(S{O_2}\)
Chemical Bonding and Molecular Structure

11971 In \({H_2}{O_2}\), the two oxygen atoms have

1 Electrovalent bond
2 Covalent bond
3 Coordinate bond
4 No bond
Chemical Bonding and Molecular Structure

11972 Carbon has a valency of \(2\) in \(CO\) and \(4\) in \(C{O_2}\) and \(C{H_4}\). Its valency in acetylene \(\left( {{C_2}{H_2}} \right)\) is

1 \(4\)
2 \(2\)
3 \(3\)
4 \(1\)
Chemical Bonding and Molecular Structure

11969 Which of the following has covalent bond

1 \(N{a_2}S\)
2 \(AlC{l_3}\)
3 \(NaH\)
4 \(MgC{l_2}\)
Chemical Bonding and Molecular Structure

11970 The following element forms a molecule with eight its own weight atoms

1 \(Si\)
2 \(S\)
3 \(Cl\)
4 \(P\)
Chemical Bonding and Molecular Structure

12007 Pick out the molecule which has zero dipole moment

1 \(N{H_3}\)
2 \({H_2}O\)
3 \(BC{l_3}\)
4 \(S{O_2}\)
Chemical Bonding and Molecular Structure

11971 In \({H_2}{O_2}\), the two oxygen atoms have

1 Electrovalent bond
2 Covalent bond
3 Coordinate bond
4 No bond
Chemical Bonding and Molecular Structure

11972 Carbon has a valency of \(2\) in \(CO\) and \(4\) in \(C{O_2}\) and \(C{H_4}\). Its valency in acetylene \(\left( {{C_2}{H_2}} \right)\) is

1 \(4\)
2 \(2\)
3 \(3\)
4 \(1\)