16 public questions tagged with this topic.
Bond strength decreases as halogen size increases due to weaker overlap: CH₃F > CH₃Cl > CH₃Br > CH₃I .
Ref: NCERT Class 12 Chemistry > Chapter 6: Haloalkanes and Haloarenes > Topic: Nature of C-X Bond and Methods of Preparation
Bond enthalpy increases with smaller halogen size due to stronger overlap. CH₃F has the highest C-X bond enthalpy.
Ref: NCERT Class 12 Chemistry > Chapter 6: Haloalkanes and Haloarenes > Topic: Nature of C-X Bond and Methods of Preparation
Bond enthalpy decreases as the halogen size increases due to weaker overlap. CH₃-I has the weakest C-X bond among F, Cl, Br, and I.
Ref: NCERT Class 12 Chemistry > Chapter 6: Haloalkanes and Haloarenes > Topic: Nature of C-X Bond and Methods of Preparation
Cl₂ has a bond enthalpy of ~243 kJ/mol, higher than F₂ (159 kJ/mol), Br₂ (193 kJ/mol), or I₂ (151 kJ/mol) due to optimal bond strength.
Ref: NCERT Class 11 Chemistry > Chapter 4: Chemical Bonding and Molecular Structure > Topic: Ionic Bonding - Lattice Enthalpy and Properties of Ionic Compounds
Bond strength in group 14 monoxides (XO) decreases down the group due to weaker orbital overlap. CO (triple bond) has the highest bond strength compared to SiO, GeO, or SnO.
Ref: NCERT Class 11 Chemistry > Chapter 3: Classification of Elements and Periodicity in Properties > Topic: Periodic Trends - Atomic Radii Ionic Radii and Ionization Enthalpy
Covalent bond is the accurate classification or categorization for the organism, molecule, or concept described in this question. In Atoms and Molecules, proper classification is based on shared characteristics including morphological, biochemical, genetic, and evolutionary criteria. Covalent bond meets the specific diagnostic features and defining criteria that distinguish it from related groups. The other options (Hydrogen bond, Van der Waals forces, and Ionic bond) belong to different taxonomic groups, represent different classification levels, or possess distinct characteristics that exclude them from this category.
Ref: Campbell Biology, Urry et al., 12th Ed.
Van der Waals interactions is the scientifically accurate answer to this question. Within the study of Chemical Bonding, this concept is well-established through extensive research and is documented in standard scientific literature. The specific properties, mechanisms, or characteristics of Van der Waals interactions directly address what is being asked. Among the other options, Hydrogen bonding, Covalent bonding, and Ionic bonding do not correctly answer this question because they either refer to different concepts, describe properties of other molecules or processes, or represent common misconceptions about this topic.
Ref: Campbell Biology, Urry et al., 12th Ed.
O-H---O is the scientifically accurate answer to this question. Within the study of Chemical Bonding, this concept is well-established through extensive research and is documented in standard scientific literature. The specific properties, mechanisms, or characteristics of O-H---O directly address what is being asked. Among the other options, O-H---N, N-H---O, and N-H---N do not correctly answer this question because they either refer to different concepts, describe properties of other molecules or processes, or represent common misconceptions about this topic.
Ref: Campbell Biology, Urry et al., 12th Ed.
N-H---F is the scientifically accurate answer to this question. Within the study of Chemical Bonding, this concept is well-established through extensive research and is documented in standard scientific literature. The specific properties, mechanisms, or characteristics of N-H---F directly address what is being asked. Among the other options, O-H---O, O-H---N, and N-H---N do not correctly answer this question because they either refer to different concepts, describe properties of other molecules or processes, or represent common misconceptions about this topic.
Ref: Campbell Biology, Urry et al., 12th Ed.
Single > Double > Triple is the accurate classification or categorization for the organism, molecule, or concept described in this question. In Chemical Bonding, proper classification is based on shared characteristics including morphological, biochemical, genetic, and evolutionary criteria. Single > Double > Triple meets the specific diagnostic features and defining criteria that distinguish it from related groups. The other options (Triple > Double > Single, Double > Triple > Single, and Single > Triple > Double) belong to different taxonomic groups, represent different classification levels, or possess distinct characteristics that exclude them from this category.
Ref: Campbell Biology, Urry et al., 12th Ed.
Number of neutrons is the correct choice because it does not accurately describe or belong to the category addressed in this question. In the context of Chemical Bonding, the other options (Atomic size, Bond polarity, and Dielectric constant) are all valid and well-established concepts. Number of neutrons is either unrelated to the topic, describes a different biological process, or represents a common misconception. Questions framed as 'which is NOT' require students to identify the exception among otherwise correct statements, demanding comprehensive knowledge of the topic rather than recognition of a single fact.
Ref: Campbell Biology, Urry et al., 12th Ed.
sp is the scientifically accurate answer to this question. Within the study of Chemical Bonding, this concept is well-established through extensive research and is documented in standard scientific literature. The specific properties, mechanisms, or characteristics of sp directly address what is being asked. Among the other options, sp³, sp², and spⴠdo not correctly answer this question because they either refer to different concepts, describe properties of other molecules or processes, or represent common misconceptions about this topic.
Ref: Campbell Biology, Urry et al., 12th Ed.
