81. Which of the following is the functional group in propanone?
82. Assertion (A) Isomers are same compounds with different molecular formula.
Reason (R) Isomers have different arrangement of their constituent atoms in the space.
Reason (R) Isomers have different arrangement of their constituent atoms in the space.
83. How many carbon and hydrogen atoms are there in propane?
84. Which of the following has a strong fruity fragrance?
85. Study the following statements.
1. Benzene and toluene are aromatic organic compound.
2. In benzene, six carbon atoms are arranged in a closed chain with alternate double and single bonds.
Which of the above is/are correct?
1. Benzene and toluene are aromatic organic compound.
2. In benzene, six carbon atoms are arranged in a closed chain with alternate double and single bonds.
Which of the above is/are correct?
86. Which of the following is an ester?
87. Unsaturated hydrocarbons add hydrogen in the presence of catalyst such as:
88. Alkene, unsaturated hydrocarbon, which has a double bond between two carbon atoms, has a common formula, which is:
89. When an overdose of . . . . . . . . is consumed, it slows down the metabolic process and degrades the central nervous system.
90. What is cyclic hydrocarbon with molecular formula C6H6?
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