Describe the following:
(i) Bergius Process
(ii) Fischer Process
i. The Bergius process is a method of production of liquid hydrocarbons for use as synthetic fuel by hydrogenation of high-volatile bituminous coal at high temperature and pressure. It was first developed by Friedrich
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What is aci form of nitroethane? Discuss.
What is resonance energy? Explain taking the example of benzene.
Predict the product(s) of the following reactions:
(i) Nitration of azole
(ii) Friedel-Crafts acylation of pyridine
(iii) Reduction of pyrrole with zinc and ethanoic acid.
Suggest the reaction that can best be used to prepare following ethers by Williamson ether synthesis
(a) CH3CH 2— O— CH= CH2
(b) 
Fill in the following blanks:
(i) In the UV spectrum, the ethylenic chromophore shows an absorption band below -------------- nm.
(ii) In the IR spectrum, the cis isomer of internal alkenes gives band at --------- cm-1.
Among alkyl halides, order of reactivity of SN2 reaction is
CH3X> p-RX >Sec-RX > tert-RX
Discuss the factors which are mainly responsible for this order.
What are nucleotides? Draw the structures of nucleotides present in DNA and give their names.