Metallic bonding and hydrogen bonding
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See all →- Intramolecular hydrogen bonding is present in Answer: 2. [structure: 2-nitrophenol (NO2 and OH on adjacent carbons), see figure] Key idea: intramolecular H-bonding needs the H-donor (-OH... 1
- Intermolecular forces are forces of attraction and repulsion between interacting particles that will include :A. dipole - dipole forces.B. dipole - induced dipole forces.C. hydrogen bonding.D. covalent bonding.E. dispersion forces.Choose the most app… Answer: 4. A, B, C, E are correct. Key idea: Intermolecular forces act between molecules; covalent bonds are intramolecular. Dipole-dipole (... 1
- An element has a body centered cubic (bcc) structure with a cell edge of 288 pm. The atomic radius is : Answer: 1. sqrt3/4×288 pm In a bcc unit cell atoms touch along the body diagonal. Body diagonal =sqrt3 a=4r . r=sqrt3/4a=sqrt3/4×288\ pm≈124... 1
- Which one of the following compounds shows the presence of intramolecular hydrogen bond? Answer: 2. Cellulose Key idea: the key gives cellulose; the stem is partly unreadable, so the answer follows the key. HCN, concentrated acet... 1