Q. What type of bond forms between the carboxyl group of one amino acid and the amino group of another?
-
A.
Hydrogen bond
-
B.
Ionic bond
-
C.
Peptide bond
-
D.
Disulfide bond
Solution
A peptide bond forms between the carboxyl group of one amino acid and the amino group of another, linking them together in a protein.
Correct Answer: C — Peptide bond
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Q. What type of bond is formed between amino acids in a protein?
-
A.
Ionic bond
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B.
Covalent bond
-
C.
Hydrogen bond
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D.
Van der Waals forces
Solution
A covalent bond, specifically a peptide bond, is formed between amino acids in a protein.
Correct Answer: B — Covalent bond
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Q. What type of bond is formed between sodium and chlorine in NaCl?
-
A.
Ionic bond
-
B.
Covalent bond
-
C.
Metallic bond
-
D.
Van der Waals bond
Solution
NaCl is formed by an ionic bond due to the transfer of electrons from sodium to chlorine.
Correct Answer: A — Ionic bond
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Q. What type of bond is formed between the amino group of one amino acid and the carboxyl group of another?
-
A.
Ionic bond
-
B.
Hydrogen bond
-
C.
Peptide bond
-
D.
Covalent bond
Solution
A peptide bond is formed between the amino group of one amino acid and the carboxyl group of another.
Correct Answer: C — Peptide bond
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Q. What type of bond is formed between two metal atoms?
-
A.
Ionic bond
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B.
Covalent bond
-
C.
Metallic bond
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D.
Polar bond
Solution
Metallic bonds are formed between metal atoms, characterized by a 'sea of electrons' that are free to move.
Correct Answer: C — Metallic bond
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Q. What type of bond is primarily responsible for the secondary structure of proteins?
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A.
Ionic bonds
-
B.
Hydrogen bonds
-
C.
Covalent bonds
-
D.
Disulfide bonds
Solution
Hydrogen bonds are primarily responsible for the formation of secondary structures like alpha-helices and beta-pleated sheets in proteins.
Correct Answer: B — Hydrogen bonds
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Q. What type of bond links amino acids in proteins?
-
A.
Ionic bond
-
B.
Covalent bond
-
C.
Hydrogen bond
-
D.
Van der Waals forces
Solution
Amino acids are linked by peptide bonds, which are a type of covalent bond.
Correct Answer: B — Covalent bond
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Q. What type of bond links amino acids together in a protein?
-
A.
Ionic bond
-
B.
Covalent bond
-
C.
Hydrogen bond
-
D.
Peptide bond
Solution
A peptide bond is a specific type of covalent bond that links amino acids together in proteins.
Correct Answer: D — Peptide bond
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Q. What type of bond links amino acids together in proteins?
-
A.
Ionic bond
-
B.
Covalent bond
-
C.
Hydrogen bond
-
D.
Van der Waals forces
Solution
Amino acids are linked by peptide bonds, which are a type of covalent bond.
Correct Answer: B — Covalent bond
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Q. What type of bond links monosaccharides in a disaccharide?
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A.
Ionic bond
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B.
Covalent bond
-
C.
Hydrogen bond
-
D.
Van der Waals bond
Solution
Monosaccharides in a disaccharide are linked by a covalent bond known as a glycosidic bond.
Correct Answer: B — Covalent bond
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Q. What type of bond links monosaccharides in polysaccharides?
-
A.
Ionic bond
-
B.
Covalent bond
-
C.
Hydrogen bond
-
D.
Van der Waals forces
Solution
Monosaccharides are linked by glycosidic bonds, which are a type of covalent bond.
Correct Answer: B — Covalent bond
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Q. What type of bonding is present in alkanes?
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A.
Ionic bonding
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B.
Covalent bonding
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C.
Metallic bonding
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D.
Hydrogen bonding
Solution
Alkanes are characterized by covalent bonding between carbon and hydrogen atoms.
Correct Answer: B — Covalent bonding
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Q. What type of carbohydrate is glucose?
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A.
Disaccharide
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B.
Monosaccharide
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C.
Polysaccharide
-
D.
Oligosaccharide
Solution
Glucose is a monosaccharide, which is the simplest form of carbohydrates.
Correct Answer: B — Monosaccharide
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Q. What type of carbohydrate is starch?
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A.
Monosaccharide
-
B.
Disaccharide
-
C.
Oligosaccharide
-
D.
Polysaccharide
Solution
Starch is classified as a polysaccharide, consisting of many glucose units.
Correct Answer: D — Polysaccharide
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Q. What type of carbohydrate is sucrose?
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A.
Monosaccharide
-
B.
Disaccharide
-
C.
Oligosaccharide
-
D.
Polysaccharide
Solution
Sucrose is a disaccharide composed of glucose and fructose.
Correct Answer: B — Disaccharide
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Q. What type of deviation from Raoult's Law is observed in solutions with strong solute-solvent interactions?
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A.
Positive deviation
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B.
Negative deviation
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C.
No deviation
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D.
Complete miscibility
Solution
Negative deviation from Raoult's Law occurs when strong solute-solvent interactions lower the vapor pressure more than expected.
Correct Answer: B — Negative deviation
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Q. What type of hybridization is present in alkynes?
Solution
Alkynes have sp hybridization due to the presence of a triple bond.
Correct Answer: A — sp
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Q. What type of hybridization is present in ethylene (C2H4)?
-
A.
sp
-
B.
sp2
-
C.
sp3
-
D.
dsp3
Solution
Ethylene has sp2 hybridization due to the presence of a double bond between the carbon atoms.
Correct Answer: B — sp2
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Q. What type of hybridization is present in the carbon atom of ethylene (C2H4)?
-
A.
sp
-
B.
sp2
-
C.
sp3
-
D.
dsp3
Solution
The carbon atoms in ethylene undergo sp2 hybridization.
Correct Answer: B — sp2
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Q. What type of hybridization is present in the carbon atoms of alkanes?
-
A.
sp
-
B.
sp2
-
C.
sp3
-
D.
sp3d
Solution
The carbon atoms in alkanes are sp3 hybridized.
Correct Answer: C — sp3
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Q. What type of hybridization is present in the carbon atoms of alkenes?
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A.
sp
-
B.
sp2
-
C.
sp3
-
D.
sp3d
Solution
The carbon atoms in alkenes are sp2 hybridized due to the presence of a double bond.
Correct Answer: B — sp2
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Q. What type of hybridization is present in the molecule BF3?
-
A.
sp
-
B.
sp2
-
C.
sp3
-
D.
dsp3
Solution
BF3 has sp2 hybridization as it has three bonding pairs and no lone pairs.
Correct Answer: B — sp2
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Q. What type of hybridization occurs in ethylene (C2H4)?
-
A.
sp
-
B.
sp2
-
C.
sp3
-
D.
sp3d
Solution
Ethylene has sp2 hybridization as each carbon atom forms three sigma bonds and one pi bond.
Correct Answer: B — sp2
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Q. What type of hybridization occurs in methane (CH4)?
-
A.
sp
-
B.
sp2
-
C.
sp3
-
D.
sp3d
Solution
Methane has sp3 hybridization as it has four equivalent bonds formed by the mixing of one s and three p orbitals.
Correct Answer: C — sp3
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Q. What type of hybridization occurs in the carbon atom of ethylene (C2H4)?
-
A.
sp
-
B.
sp2
-
C.
sp3
-
D.
sp3d
Solution
The carbon atoms in ethylene undergo sp2 hybridization, resulting in a planar structure.
Correct Answer: B — sp2
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Q. What type of hybridization occurs in the carbon atoms of alkynes?
Solution
In alkynes, the carbon atoms are sp hybridized.
Correct Answer: A — sp
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Q. What type of hybridization occurs in the central atom of SF6?
-
A.
sp
-
B.
sp2
-
C.
sp3
-
D.
sp3d2
Solution
The central sulfur atom in SF6 undergoes sp3d2 hybridization.
Correct Answer: D — sp3d2
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Q. What type of hybridization occurs in the complex ion [Fe(CN)6]3-?
-
A.
sp
-
B.
sp2
-
C.
sp3
-
D.
d2sp3
Solution
[Fe(CN)6]3- exhibits d2sp3 hybridization due to the octahedral arrangement of ligands.
Correct Answer: D — d2sp3
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Q. What type of hybridization occurs in the complex ion [Ni(CN)4]2-?
-
A.
sp
-
B.
sp2
-
C.
sp3
-
D.
dsp2
Solution
In [Ni(CN)4]2-, nickel has a coordination number of 4 and uses dsp2 hybridization.
Correct Answer: D — dsp2
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Q. What type of hybridization occurs in the complex [Ni(CO)4]?
-
A.
sp
-
B.
sp2
-
C.
sp3
-
D.
d2sp3
Solution
[Ni(CO)4] has a tetrahedral geometry, which corresponds to sp3 hybridization.
Correct Answer: C — sp3
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