Chemistry (School & UG)
Q. What type of isomerism is commonly observed in coordination compounds according to Werner's theory?
-
A.
Structural isomerism
-
B.
Geometric isomerism
-
C.
Optical isomerism
-
D.
All of the above
Solution
Coordination compounds can exhibit structural, geometric, and optical isomerism, making all types relevant.
Correct Answer: D — All of the above
Learn More →
Q. What type of isomerism is exhibited by 1,2-dichloroethene?
-
A.
Structural isomerism
-
B.
Geometric isomerism
-
C.
Optical isomerism
-
D.
Conformational isomerism
Solution
1,2-dichloroethene can exist as cis and trans isomers due to the restricted rotation around the double bond.
Correct Answer: B — Geometric isomerism
Learn More →
Q. What type of isomerism is exhibited by 1-bromobutane and 2-bromobutane?
-
A.
Structural isomerism
-
B.
Geometric isomerism
-
C.
Optical isomerism
-
D.
Conformational isomerism
Solution
1-bromobutane and 2-bromobutane differ in the connectivity of their atoms, which is a characteristic of structural isomerism.
Correct Answer: A — Structural isomerism
Learn More →
Q. What type of isomerism is exhibited by 1-butene and 2-butene?
-
A.
Structural isomerism
-
B.
Geometric isomerism
-
C.
Optical isomerism
-
D.
Conformational isomerism
Solution
1-butene and 2-butene exhibit geometric isomerism due to the different spatial arrangements of the substituents around the double bond.
Correct Answer: B — Geometric isomerism
Learn More →
Q. What type of isomerism is exhibited by 1-butene and cis-2-butene?
-
A.
Structural isomerism
-
B.
Geometric isomerism
-
C.
Optical isomerism
-
D.
Conformational isomerism
Solution
1-butene and cis-2-butene are geometric isomers due to the different spatial arrangements around the double bond.
Correct Answer: B — Geometric isomerism
Learn More →
Q. What type of isomerism is exhibited by 2-butene?
-
A.
Structural isomerism
-
B.
Geometric isomerism
-
C.
Optical isomerism
-
D.
Conformational isomerism
Solution
2-butene exhibits geometric isomerism (cis/trans) due to the restricted rotation around the double bond.
Correct Answer: B — Geometric isomerism
Learn More →
Q. What type of isomerism is exhibited by 2-pentene?
-
A.
Structural isomerism
-
B.
Geometric isomerism
-
C.
Optical isomerism
-
D.
Conformational isomerism
Solution
2-pentene exhibits geometric isomerism due to the presence of a double bond, allowing for cis and trans forms.
Correct Answer: B — Geometric isomerism
Learn More →
Q. What type of isomerism is exhibited by butene (C4H8)?
-
A.
Structural isomerism
-
B.
Geometric isomerism
-
C.
Optical isomerism
-
D.
Conformational isomerism
Solution
Butene exhibits geometric isomerism due to the presence of a double bond, allowing for cis and trans configurations.
Correct Answer: B — Geometric isomerism
Learn More →
Q. What type of isomerism is exhibited by D-glucose and L-glucose?
-
A.
Structural isomerism
-
B.
Geometric isomerism
-
C.
Enantiomerism
-
D.
Conformational isomerism
Solution
D-glucose and L-glucose are enantiomers, differing in configuration at their chiral centers.
Correct Answer: C — Enantiomerism
Learn More →
Q. What type of isomerism is exhibited by glucose and fructose?
-
A.
Structural isomerism
-
B.
Geometric isomerism
-
C.
Optical isomerism
-
D.
Conformational isomerism
Solution
Glucose and fructose are structural isomers as they have the same molecular formula but different structures.
Correct Answer: A — Structural isomerism
Learn More →
Q. What type of isomerism is exhibited by polymers with chiral centers?
-
A.
Geometric isomerism
-
B.
Structural isomerism
-
C.
Stereoisomerism
-
D.
Functional isomerism
Solution
Polymers with chiral centers can exhibit stereoisomerism, which includes configurations that differ in the spatial arrangement of atoms.
Correct Answer: C — Stereoisomerism
Learn More →
Q. What type of isomerism is exhibited by polymers with different arrangements of their substituents?
-
A.
Geometric isomerism
-
B.
Structural isomerism
-
C.
Stereoisomerism
-
D.
Conformational isomerism
Solution
Geometric isomerism occurs in polymers when substituents are arranged differently around a double bond, leading to cis and trans forms.
Correct Answer: A — Geometric isomerism
Learn More →
Q. What type of isomerism is exhibited by the complex [Co(NH3)4Cl2]+?
-
A.
Geometric
-
B.
Optical
-
C.
Linkage
-
D.
Coordination
Solution
Geometric isomerism is exhibited due to the different arrangements of ligands around the metal center.
Correct Answer: A — Geometric
Learn More →
Q. What type of isomerism is exhibited by the complex [Co(NH3)4Cl2]Cl?
-
A.
Geometric
-
B.
Optical
-
C.
Linkage
-
D.
Coordination
Solution
The complex [Co(NH3)4Cl2]Cl exhibits geometric isomerism due to the arrangement of ligands.
Correct Answer: A — Geometric
Learn More →
Q. What type of isomerism is shown by [Co(NH3)4Cl2]+?
-
A.
Geometric
-
B.
Optical
-
C.
Linkage
-
D.
Coordination
Solution
The complex [Co(NH3)4Cl2]+ exhibits geometric isomerism due to the different arrangements of ligands.
Correct Answer: A — Geometric
Learn More →
Q. What type of isomerism is shown by [Co(NH3)4Cl2]Cl?
-
A.
Geometric
-
B.
Optical
-
C.
Linkage
-
D.
Coordination
Solution
This complex exhibits geometric isomerism due to the different arrangements of ligands.
Correct Answer: A — Geometric
Learn More →
Q. What type of molecular vibrations are primarily observed in IR spectroscopy?
-
A.
Rotational transitions
-
B.
Electronic transitions
-
C.
Vibrational transitions
-
D.
Nuclear transitions
Solution
IR spectroscopy primarily observes vibrational transitions of molecules, which occur when bonds stretch or bend.
Correct Answer: C — Vibrational transitions
Learn More →
Q. What type of polymer is formed when amino acids link together through peptide bonds?
-
A.
Polysaccharide
-
B.
Protein
-
C.
Nucleic acid
-
D.
Lipid
Solution
Proteins are polymers formed by the linkage of amino acids through peptide bonds, which are a type of condensation reaction.
Correct Answer: B — Protein
Learn More →
Q. What type of reaction mechanism is involved when a nucleophile replaces a leaving group in an alkyl halide?
-
A.
Elimination
-
B.
Substitution
-
C.
Addition
-
D.
Rearrangement
Solution
This is a substitution reaction mechanism, where a nucleophile replaces a leaving group.
Correct Answer: B — Substitution
Learn More →
Q. What type of reaction mechanism is involved when an alkyl halide reacts with a nucleophile to form an alcohol?
-
A.
Elimination
-
B.
Substitution
-
C.
Addition
-
D.
Rearrangement
Solution
This reaction is a substitution mechanism (S_N2 or S_N1) where the nucleophile replaces the halide.
Correct Answer: B — Substitution
Learn More →
Q. What type of reaction occurs when 1-hexene reacts with HBr?
-
A.
Addition
-
B.
Substitution
-
C.
Elimination
-
D.
Oxidation
Solution
The reaction is an electrophilic addition where HBr adds across the double bond of 1-hexene.
Correct Answer: A — Addition
Learn More →
Q. What type of reaction occurs when 1-pentene reacts with HBr?
-
A.
Addition reaction
-
B.
Elimination reaction
-
C.
Substitution reaction
-
D.
Redox reaction
Solution
The reaction of 1-pentene with HBr is an addition reaction, where HBr adds across the double bond.
Correct Answer: A — Addition reaction
Learn More →
Q. What type of reaction occurs when 2-bromobutane reacts with sodium ethoxide?
-
A.
SN1
-
B.
SN2
-
C.
E1
-
D.
E2
Solution
The reaction of 2-bromobutane with sodium ethoxide is an E2 elimination reaction, leading to the formation of an alkene.
Correct Answer: D — E2
Learn More →
Q. What type of reaction occurs when a haloalkane reacts with a nucleophile?
-
A.
Elimination
-
B.
Substitution
-
C.
Addition
-
D.
Redox
Solution
The reaction of a haloalkane with a nucleophile typically results in a substitution reaction, where the nucleophile replaces the halogen.
Correct Answer: B — Substitution
Learn More →
Q. What type of reaction occurs when a transition metal complex is reduced?
-
A.
Oxidation
-
B.
Reduction
-
C.
Hydrolysis
-
D.
Precipitation
Solution
Reduction of a transition metal complex involves the gain of electrons, which is the definition of a reduction reaction.
Correct Answer: B — Reduction
Learn More →
Q. What type of reaction occurs when an acid reacts with a metal?
-
A.
Redox reaction
-
B.
Decomposition
-
C.
Neutralization
-
D.
Synthesis
Solution
The reaction between an acid and a metal is a redox reaction, where the metal is oxidized.
Correct Answer: A — Redox reaction
Learn More →
Q. What type of reaction occurs when an alcohol is converted to an alkene?
-
A.
Hydration
-
B.
Dehydration
-
C.
Oxidation
-
D.
Reduction
Solution
The conversion of an alcohol to an alkene involves the removal of water, which is a dehydration reaction.
Correct Answer: B — Dehydration
Learn More →
Q. What type of reaction occurs when an alcohol is converted to an alkyl halide using phosphorus tribromide (PBr3)?
-
A.
Substitution
-
B.
Elimination
-
C.
Addition
-
D.
Redox
Solution
The reaction is a substitution reaction where the hydroxyl group of the alcohol is replaced by a bromine atom.
Correct Answer: A — Substitution
Learn More →
Q. What type of reaction occurs when an alcohol is dehydrated?
-
A.
Substitution
-
B.
Elimination
-
C.
Addition
-
D.
Redox
Solution
Dehydration of an alcohol is an elimination reaction where water is removed, typically forming an alkene.
Correct Answer: B — Elimination
Learn More →
Q. What type of reaction occurs when an alcohol reacts with a carboxylic acid to form an ester?
-
A.
Hydrolysis
-
B.
Esterification
-
C.
Oxidation
-
D.
Reduction
Solution
The reaction between an alcohol and a carboxylic acid to form an ester is known as esterification.
Correct Answer: B — Esterification
Learn More →
Showing 1231 to 1260 of 1878 (63 Pages)