Explore topic-wise MCQs in Organic Chemistry.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Organic Chemistry knowledge and support exam preparation. Choose a topic below to get started.

1.

A proton Hb is coupled to four equivalent protons Ha. The multiplicity and the relative intensity of lines in the signal Hb is?

A. Doublet, I : 4
B. Triplet, I : 4 : 6
C. Quintet, 1 : 4 : 6 : 4 : 1
D. Quartet, 1 : 4 : 6 : 4
Answer» D. Quartet, 1 : 4 : 6 : 4
Discussion
2.

H2, CH4, C2H6 and C6H6 exhibit which PMR spectra?

A. Singlet
B. Doublet
C. Triplet
D. Quintet
Answer» B. Doublet
Discussion
3.

How many Hertz does 1 ppm correspond to for an PMR spectrometer operating at a radio frequency of 60 MHz and 100 MHz?

A. 6 Hz, 10 Hz
B. 60 Hz, 100 Hz
C. 100 Hz, 60 Hz
D. 10Hz, 100Hz
Answer» C. 100 Hz, 60 Hz
Discussion
4.

Which of the compound show only one signal is present in the PMR spectra?

A. C<sub>3</sub>H<sub>4</sub>, C<sub>3</sub>H<sub>6</sub>
B. C<sub>4</sub>H<sub>6</sub>, C<sub>5</sub>H<sub>12</sub>
C. C<sub>8</sub>H<sub>18</sub>, C<sub>2</sub>H<sub>6</sub>O
D. All of the mentioned
Answer» E.
Discussion