Which of the following statements best describes the meaning of the following sp

Question

Which of the following statements best describes the meaning of the following species: [CH_3 CH_2 CH_3) - +? The m/z value is 44. It is the parent ion of propane. It is the radical cation of propane. It is the molecular ion of propane. all of the above Which of the following is true about the base peak in mass spectrometry? It has the highest m/z value of all the peaks in the spectrum. The m/z value corresponds to a very stable carbocation. The m/z value equals the molecular weight of the compound. The base peak is assigned a relative abundance equal to that of the parent ion. It has the largest peak height in the spectrum. What m/z value would you predict for the most stable fragment peak in the mass spectrum of 4-ethylheptane? 127 99 113 128 85 Which molecule below has a significant band in the IR at 3400 cm^-1 (strong and broad)? CH_3 C CCH_2 CH_3 CH_3 C0_2CH_2 CH_3 (CH_3)_3 N CH_3 CH_2 CH_2 OH CH_3 CH_2 CH(NH_2) CH_3 Which molecule below has a sign

Explanation / Answer

1

option E is the correct answer

2

option E is the correct answer

3

optioE is the correct answer

4

3400 cm-1 is for the hydroxy group region

option D is correct answer

5

2220 cm-1 is for alkyne peak

look at the triple bond where it is

answer is option C

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