51. The hydrocarbons containing only C–C single bonds are known as ______________________.
52. All alkanes are ______________.
53. The hydrocarbons that contain at least one double bond (C=C) or contain at least one triple bond (C≡C) between the two carbon atoms are called ___________________.
54. _________ and _________ are the examples for unsaturated hydrocarbons.
55. Straight chain, branched chain and closed chain hydro carbon compounds may be ___________ or ___________ .
56. The hydrocarbons that contain –OH group are called _________.
57. General formula of alcohols is R – OH where ‘R’ is alkyl group, __________.
58. The hydrocarbons with functional group –CHO are called ________.
59. The hydrocarbons with functional group C=O are called _________.
60. If one hydrogen atom is replaced from NH3 by an alkyl group we get the so called _________________.
61. If two hydrogen atoms of NH3 are replaced by two alkyl groups (same or different) we get ____________.
62. The characteristic properties of an organic compound depend mainly on an atom or group of atoms in its molecule known as the ______________.
63. The common system of the Butane is ____________.
64. The common system 2-methyl propane is ___________.
65. The compounds which are having same molecular formula but different structures are called __________.
66. The phenomenon of possessing same molecular formula but different properties by the compounds is known as ___________.
67. The series of carbon compounds in which two successive compounds differ by –CH2 unit is called ____________.
68. Oxidation reactions may be carried out using ____________.
69. Fats and oils are both of _____________.
70. A reaction in which an atom or a group of atoms in a given compound is replaced by other atom or group of atoms is called a ____________.
71. The process of conversion of starches and sugars to C2H5OH is called _______________.
72. Pure ethanol boils at 78.3oC. Pure ethanol is called ____________.
73. ___________ is ethanol that contains impurities that make it undrinkable.
74. The chemical formula of potassium-di-chromate is ________.
75. K2Cr2O7 is a good ___________.
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