Which one is not a nucleophile ?
Which one is not a nucleophile ?
A. C2H5O-
B. SCN-
C. NH3
D. H3C+
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Addition of 2nd electron to a uni negative ion is always____________________?
Addition of 2nd electron to a uni negative ion is always____________________?A. Exothermic
B. Endothermic
C. Data is insufficient
D. UnpredictableWhen sulphuric acid is treated with ethanol sulphuric acid behaves like________________?
When sulphuric acid is treated with ethanol sulphuric acid behaves like________________?A. an acid
B. a dehydrating agent
C. an oxidizing agent
D. as sulphonating agentThe relatively high energy of the gauche conformation of butane is primarily associated with_________?
The relatively high energy of the gauche conformation of butane is primarily associated with_________?A. Angle strain
B. Torsional strain
C. Steric strain
D. Orbital strainPhosphene gas will be produced if phosphorous acid is subjected to___________________?
Phosphene gas will be produced if phosphorous acid is subjected to___________________?A. Oxidation
B. Reduction
C. Decomposition
D. Both b & cThe concept of telluric helix was developed by___________?
The concept of telluric helix was developed by___________?A. Lother Meyer
B. A.E de Chancourtois
C. Newland
D. DobereinerCrystallization does not involve_______________?
Crystallization does not involve_______________?A. heating
B. sublimation
C. cooling
D. vaporization