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Organic Chemist...

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  • Question 1
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    Acid catalysed electrophilic addition reaction to carbon-carbon double bond proceeds in two steps.The first step involves the addition of an H+ to double bond. Name the type of intermediate formed in the first step of the following addition reaction: 
    H3C−HC = CH2+ H+→?

  • Question 2
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    Polarisation of σ-bond caused by the polarisation of adjacent σ-bond is termed as

  • Question 3
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    For testing halogens in an organic compound with AgNO3 solution, sodium extract (Lassaigne’s test) is acidified with dilute HNO3.What will happen if a student acidifies the extract with dilute H2SO4 in place of dilute HNO3?

  • Question 4
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    Delocalisation of σ electrons of C -H bond of an alkyl group directly attached to an atom of unsaturated system or to an atom with an unshared p orbital is called:

  • Question 5
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    Why Kjeldahl method cannot be used for the estimation of nitrogen present in DNA and RNA? Choose the most appropriate option.

  • Question 6
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    One of the following compounds is used in the estimation of oxygen

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