potassium, Chemistry

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A hydrogen-filled balloon was ignited and 2.00 of hydrogen reacted with 16.0 of oxygen.

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The quantum number which specifies the location of an electron as well as energy is : (1) Principal quantum number (2) Azimuthal quantum number (3) Spin quantum number

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Delocalisation of electrons in conjugated system is called resonance. For example there is delocalisation of electrons in benzene ,hence we write kekule structure for benzen.

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The structure of spiropentadiene The structure of spiropentadiene is shown below; it undergoes a Diels-Alder reaction with two molar equivalents of 1,3-cyclopentadiene. Spirope

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Bakelite: It is thermosetting plastics which are most widely used and the most important plastics. Preparation: It is formed by condensation reaction of phenol an

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Q. What is Oxidation Numbers? Ans. Chemists find it useful to describe the oxidation states of an element by means of oxidation numbers. The oxidation number of an element

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Q. Explain Ionization Energy? Ans. When an electron is removed from an atom, the atom has been ionized. Therefore, the energy required to remove an electron from an atom i

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Electronic configuration of H -   is : (1) 1s 0                    (2)  1s 1        (3)1s 2               (d) 1s 1 , 2s 1 Ans: 1s 2

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In chemistry, a steady state is a state in which all state variables are constant in spite of ongoing processes that strive to change them. For an entire system to be at steady s

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