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Free set Chemistry
Showing 76 to 100 of 1398 questions (page 4 of 56).
76. Lithium shows a diagonal relationship with
77. Hydration energy of an ion increases with
78. The flame colour given by potassium compounds is
79. The chemical formula of plaster of Paris is
80. In the Solvay process, the raw materials used are
81. Lime water turns milky on passing carbon dioxide because of the formation of
82. Boron trifluoride acts as a Lewis acid because boron
83. Aluminium oxide is described as amphoteric because it reacts with
84. The reluctance of the ns2 electrons to take part in bonding in heavier p-block elements is called
85. The strongest oxidizing agent among the halogens is
86. Bleaching powder is prepared by passing chlorine over
87. Which oxide of nitrogen is known as laughing gas?
88. A transition element is one that has a partially filled
89. The colour of most transition metal ions in solution is due to
90. In the complex ion hexaamminecobalt(III), the coordination number of cobalt is
91. EDTA is an example of a
92. Transition metals show variable oxidation states because
93. The hybridization of each carbon atom in ethene is
94. The halogenation of alkanes in sunlight proceeds by a
95. According to Markownikoff's rule, addition of hydrogen bromide to propene gives mainly
96. Benzene characteristically undergoes
97. A primary alkyl halide reacting with a strong nucleophile typically follows
98. A Grignard reagent has the general formula
99. Controlled oxidation of a primary alcohol gives
100. Phenol is more acidic than ethanol because
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