47. A compound which EI-MS spectrum is shown below, has M⁺ = m/z 156, M⁺2 = m/z 158, and m/z = 77 (base peak). What is the possible formula for this compound?
(A) C₅H₁₀Cl
(B) C₅H₁₂Br
(C) C₆H₅Cl
(D) C₆H₅Br

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統計： A(2), B(30), C(12), D(156), E(0) #923030

我愛阿摩，阿摩愛我2

B2 · 2022/02/11

#5337355

M⁺:M⁺+2=1:1⟹含一Br
鹵化物的C-X鍵易斷⟹C₆H₅(77)/Br(79)

Uanuannnn

B1 · 2020/03/17

#3831783

M+：M+2約等於 1：1代表有一個Br...

(共 35 字，隱藏中）

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寬識(已上榜、感謝阿摩與前輩)

2024/06/10

私人筆記#6075495

未解鎖

Br的原子量 79,81

(共 13 字，隱藏中）

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47. A compound which EI-MS spectrum is shown below, has M+ = m/z 156, M+2 = m/z 158, and m/z = 77 (base peak). What is the possible formula for this compound? (A) C5H10Cl (B) C5H12Br (C) C6H5Cl (D) C6H5Br