Solve your IGNOU Doubts
Solve your IGNOU Doubts
Question:

Discuss in detail, various types of stratigraphic classification.

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Question:

Stratigraphy correlation

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Question:

Geological time scale

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Question:

How you will introduce a formyl group into phenol ring.

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Question:

Write the mechanism of Pinacol-pinacolone reaction. 

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Question:

Knoevenagel reaction

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Question:

Willgerodt reaction

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Question:

Reimer-Tiemann reaction Mannich reaction

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Question:

Sandmeyer reaction

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Question:

Write their representative reaction for the following reactions.

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Question:

 Sandstone

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Question:

Arrange the following in order of their increasing reactivity towards SN2 substitution reactions: bromomethane, 1-bromo-propane, 2-bromopropane, 2- bormo-2-methyl propane. Justify your answer.

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Question:

 Quartzite

 

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Question:

Explain different types of structures found in metamorphic rocks with help of neat well labelled diagrams.

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Question:

What is aldol condensation? Write its mechanism.

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Question:

Explain the factors affecting metamorphism, in detail.

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Question:

Non-clastic and clastic rocks

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Question:

Nitro group is meta directing, explain.

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Question:

Extrusive and intrusive igneous rocks

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Question:

Discuss the role of Lewis acids in halogenations and alkylation reactions of benzene. Write the limitations of Freidel Crafts alkylation reaction.

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