5. Which of the following, set of molecules will have zero dipole moment? (NEET 2020)(a) Ammonia, beryllium difluoride, water, 1, 4-dichlorobenzene(b) Boron trifluoride, hydrogen fluoride, carbon dioxide, 1, 3-dichlorobenzene(c) Nitrogen…
1. Sucrose on hydrolysis gives (NEET 2020)(a) β-D-glucose + α-D-fructose(b) α-D-glucose + β-D-glucose(c) α-D-glucose + β-D-fructose(d) α-D-fructose + β-D-fructose2. The difference between amylose and amylopectin is (NEET 2018)(a) amylopectin have…
1. Which of the following reactions is appropriate for converting ace amide to methoxamine?(a) Hoffmann hypobromamide reaction(b) Stephen’s reaction(c) Gabriel phthalimide synthesis(d) Carbylamines reaction (a) Chemistry Notes Download Physics Notes…
1.a) b) c) d) (c ) Chemistry Notes Download Physics Notes Download Biology Notes Download2. Reaction by which benzaldehyde cannot be prepareda) b) c) d) …
91. Identify a molecule which does not exist. (1) He2 (2) Li2 (3) C2 (4) O2 Chemistry Notes Download Physics Notes Download Biology Notes Download 92. Find out…
46. The number of sigma (σ) and π(π) bonds in pent-2-en-4-yne is- (1) 10 σ bonds and 3π bonds (2) 8 σ bonds and 5π bonds (3) 11 σ bonds…