| 131. | Which chemist propounded the life force theory |
A. Bergilius | |
B. yohler | |
C. Kolbe | |
D. berthelot |
| 132. | The first organic compound synthesized in the laboratory was |
A. lactic acid | |
B. glucose | |
C. urea | |
D. uric acid |
| 133. | In organic compounds, the four valencies of the carbon atom are directed towards the four edges of a tetrahedron and the carbon is in the center – who first gave this idea |
A. JJ Thomson | |
B. albert einstein | |
C. Michael Faraday | |
D. Leibel and Van’t Hoff |
| 134. | The most abundant organic compound found in nature is |
A. glucose | |
B. fructose | |
C. sucrose | |
D. cellulose |
| 135. | Which of the following elements is found in all organic compounds? |
A. Carbon | |
B. calcium | |
C. nitrogen | |
D. oxygen |
| 136. | How is camphor purified? |
A. Sublimation | |
B. distillation | |
C. Chromatic | |
D. Vacuum distillation |
| 137. | Which method is used for the purification of aniline? |
A. Steam discharge | |
B. Partial discharge | |
C. Vacuum discharge | |
D. Sublimation |
| 138. | What is the IUPAC name of the carbon compound CH₃OH? |
A. methanol | |
B. Menthanal | |
C. Maithili Alcohol | |
D. hydroxy methane |
| 139. | IUPAC name of ethylene is |
A. ethene | |
B. ithine | |
C. propene | |
D. propane |
| 140. | IUPAC name of acetylene is |
A. ethene | |
B. ithine | |
C. propane | |
D. Butane-2 |