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Compare the chemistry of actinoids with that of lanthanoids with special reference to electronic configuration.
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Compare the chemistry of actinoids with that of the lanthanoids with special reference to oxidation state.
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Compare the chemistry of actinoids with that of the lanthanoids with special reference to atomic and ionic sizes.
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Compare the chemistry of actinoids with that of the lanthanoids with special reference to chemical reactivity.
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The chemistry of the actinoid elements is not so smooth as that of the Lanthanoids. Justify this statement by giving some examples from the oxidation state of these elements.
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Name the members of the lanthanoid series which exhibit +4 oxidation state and those which exhibit +2 oxidation state. Try to correlate this type of behavior with the electronic configurations of these elements.
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Write the electronic configuration of the element with the atomic number 61.
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How do you explain the amphoteric behaviour of amino acids?
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Draw the structure of the given derivative.
Acetaldehydedimethylacetal
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Write the reactions of Williamson synthesis of 2-ethoxy-3-methylpentane starting from ethanol and 3-methylpentan-2-ol.
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Which of the following is an appropriate set of reactants for the preparation of 1-methoxy-4-nitrobenzene and why?
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| (i) | (ii) |
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Write the name of the reagent and the equation for the preparation of the following ether by Williamson’s synthesis:
1-Propoxypropane
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Write the name of the reagent and the equation for the preparation of the following ether by Williamson’s synthesis:
Ethoxybenzene
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Write the name of the reagent and the equation for the preparation of the following ether by Williamson’s synthesis:
2-Methoxy-2-methylpropane
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Write the name of the reagent and equation for the preparation of the following ethers by Williamson’s synthesis:
1-Methoxyethane
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Illustrate with examples the limitations of Williamson synthesis for the preparation of certain types of ethers.
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How is 1-propoxypropane synthesised from propan-1-ol? Write mechanism of this reaction.
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Preparation of ethers by acid dehydration of secondary or tertiary alcohols is not a suitable method. Give reason.
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Explain the following with an example.
Williamson ether synthesis
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How will you bring about the following conversion?
Benzene to biphenyl
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