Product(s) of the following reaction (A) ethanol and ethane (B) ethanol and meth

Question

Product(s) of the following reaction (A) ethanol and ethane (B) ethanol and methylbromide (c) ethanol and ethylbromide (D) ethanol (E) methanol and ethylbromide A compound with molecular formula C_4 H_8O_2 shows the following spectral data: H NMR: 1.1 (6H.d), 2.4(1H,sept), 10.6 (1H,s) IR = 1710 cm^-1. Possible structure is: A compound with molecular formula C_5H_8O_2, shows two strong peaks at 3548 and 1716 cm in the IR spectrum. Possible structure of this compound is Multiplicity (splitting) of the circled proton in ^1 H NMR spectrum of (A) q (B) t (C) d (D) s (E) hept (7 lines) The number of ^13 C NMR peaks in the product formed in the reaction of 2-pentanone with H_2N-NH_2, KOH (A) 2 (B) 3 (C) 4 (D) 5 (E) 6 The number of ^1 H and ^13 C NMR peaks expected for (A) 3 and 3 (B) 2 and 2 (C) 1 and 1 (D) 2 and 3 (E) 3 and 5

Explanation / Answer

Q25

Expect for an eter + hydrogen halide to form:

R1-O-R2 + HBR --> R1-O-H + Br-R2

therefore

CH3-CH2-O-CH2-CH3 + HBr

Splits in

CH3-CH2-O- + H+ + Br- + -CH2-CH3

so

CH3-CH2-OH AND Br-CH2-CH3

this is ethanol + bromoethane (ethylbromide)

choose C

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