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Which one of the following is not isoelectronic with O 2- : (1) N- 3 (2) F - (3) Tl + (4) Na + Ans: Tl +
Highest covalent character is found in: (a1 CaF 2 (2) CaCl 2 (3) CaBr 2 (4)
Antiknock Compounds - Characteristics of Hydrocarbons To decrease the knocking property or to enhance the octane number of a fuel certain chemicals are included in it. These ar
Which category matches with Ca(OH)2? - a. It is a Lewis acid. - b. It is a diprotic Br0nsted acid. - c. It is a salt. d. It is an Arrhenius base.
What is chemical formula for Borax? Ans) Chemical formulae of borax is (Na 2 ) B 4 (O 7 ) .10(H 2 ) O
Inductive effect - Relative reactivity of aldehydes and ketones The comparative re-activities of aldehydes and ketones in nucleophilic addition reactions might be attributed to
Law of equivalence - Volumetric analysis The Law of equivalence is applied in all volumetric estimations. As per to it, the chemical substances react in the ratio of their
The allylic carbons are indicated with an asterisk (*).
The uncertainty principle and the concept of wave nature of matter was proposed by ...... and ...... respectively: (1) Heisenberg, de Broglie (2) de-Broglie, Heisenberg
Determine five chemical reactions you observe in your daily life. Observe the reaction carefully. Present the change in the condition of the reactants and products wit
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