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The Bohr orbit radius for the hydrogen atom (n=1) is approximately 0.530Å . The radius for the first excited state (n=2) orbit is:
(1) 0.13Å
(2) 1.06Å
(3) 4.77Å
(4) 2.12Å
Ans: 2.12Å
Structure of benzene - Kekule structure It has a special structure, which is even though unsaturated even then it usually behave as a saturated compound. (i) Kekule's struct
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What is the effect of more electronegative atom on the strength of ionic bond: (1) Decreases (2) Increase (3) Decreases slowly (4) Remains the same Ans: Increase
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