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R G PUBLICATION-H.S. Question papers of AHSEC,2019-Exercise
- Why racimic mixture is optically inactive?
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- What are ambident nucleophiles? Give two examples of it. Give reason f...
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- Aniline does not undergo Friedel-Crafts reaction. why?
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- A compound forms hexagonal close packed (hcp) structure. What is the t...
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- A compound is formed by two elements M and N. The elements N forms ccp...
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- Calculate the efficiency of packing in case of a metal crystal for sim...
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- What will be the effect of temperature on rate constant?
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- A first order reaction has a rate constant of 10^(-2)s^( -1). How much...
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- Give reason why a finely divided substance is more effective as an ads...
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- What is an adsorption isotherm? In reference to Freundlich adsorption ...
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- Explain the role of the following in the processes mentioned: Depressa...
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- Describe the role of the following in the processes mentioned: Limesto...
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- Why the noble gases have very low boiling points?
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- Copper does not dissolve in HCI while it does dissolve in HNO3
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- Explain the following with an example : Kolbe's reaction.
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- Explain the following with an example : Reimer-Tiemann reaction.
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- What happens when- Cyclohexanecarbaldehyde reacts with PhMgBr and then...
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- What happens when- Carbonyl compound is treated with zinc amalgam and ...
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- Write the major and minor product of 'Bromination of anisole in ethano...
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- Identify the product of the following reactions : C2H5-CO-CH3 overset...
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