central ahon and e c) he b hy br idi2ahion scheme ot the molecularyom etry thenn...
20. Choose the diamagnetie species from below. a. Sn? b. As c. Br d. Cr e. None of the above is diamagnetic 21. How many valence electrons do the noble gases possess? a. 8 b. 1 d. 6 e 2 Identify the isoelectronic elements. a. Cl, F, Br, 1, At b. P3-, S-, Cl-, K, Ca²+ C. Ne, Ar, Kr, Xe, He d. N3, S2-, Br, Cst, Sr2+ e. Zn2+, Co2+, CuCr, Cd? 23. Choose the best Lewis structure for...
draw the missing structures for the
letters
Scheme 1 Br S NaOH CI + A B + С H2N NH2 Scheme 2 1. MCPBA Na2Cr2O7 D E 2. H20, H30+ H30+ Scheme 3 1. LIAIH4 PBr3 F G Н 2. H30+ ether Scheme 4 1. H20, Hg(OAc)2 DMP H I 2. NaBH4 CH2Cl2 Scheme 5 OH tosyl chloride Na J K pyridine ОН
2. Which reagent(s) would be best for this reactions? LOH E) B and D Al Br B) Br, hy D) HBr C) NBS, heat, peroxide
someone finish the first reaction snd check my second
one?
Scheme 1: C3H₂O C4 H2O2 Br Compound 2 Compound 1 12504 /194 11.94 1.14 H (b) OH (a) OH он Etot Br Compound 4 Sympound 3 (c) OH Scheme 2: Compound 5 Compound 6 Compound 2 (d) (e) ° 7 CHIO O Co Hiyo C&H 13 CI 디 OH HEL i CH₂ Mg Br На 09
Indicate the type of hybrid orbitals used by the central atom in CCl4. a. sp b. sp2 c. sp3 d. sp3d e. sp3d2
Part B What is the electron configuration of an isolated Br atom? fincreasing orbital energy as a string without blank space between orbitals. For example, [He]2s22p2 should be entered as [He]2s 22p^2 Express your answer in condensed form in order Submit Request Answer Part C What hybrid orbitals should be constructed on the S atom to make the S-Br bonds in SBr,? sp sp2 Osp3 No hybrid orbitals should be constructed. Request Answer Submit
Part B What is the electron...
In carbon disulfide, CS2 (carbon is the central atom), the hybridization at carbon and approximate S–C–S bond angle are, respectively, A. sp2 and 120° B. sp3 and 109.5° C. sp and 180° D. sp and 120° E. sp2 and 109.5° F. none of these answers is correct
Which of the following has a central atom that adopts sp^2 hybridization? a. PF3 b. BrF3 c. [SF3]+ d. [NH4]+ e. [CO3]2−
What is the hybridisation of the central carbon in allene, H2C=C=CH2? Select one: a. sp3 b. sp2 c. sp d. sp2d e. spdf
Complete the following scheme of transformations. Determine the structures of the compounds A, B, C 6. D, E, F 1) NaNH2NH 1) NaBHEtOH B HgSO4. H2SO. H2O КBг D DMF TsCVPy EtONa C F Е 2) Hо" 2). EtOH,t Br