Question

halogen derivatives
MCQ types questions

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Answer 1

Answer:

Haloalkanes and Haloarenes MCQ

Alkyl halides are prepared by the free radical halogenation of alkanes, addition of halogen acids to alkenes, replacement of -OH group of alcohols with halogens using phosphorus halides, thionyl chloride or halogen acids. Aryl halides are prepared by electrophilic substitution to arene. Fluorine and iodides are best prepared by halogen exchange method. These compounds find wide applications in industry as well as in day to day life. These compounds are generally used as solvents and as starting material for the synthesis of a large number of organic compounds.

Answer 2

Explanation:

In an economy the equilibrium level of income is Rs. 1000 crore. Due to change in autonomous

expenditure by Rs. 1000 crore, the aggregate demand curve shifts upward parallel to itself with

slope remaining the same at a value of 0.8. The new equilibrium level of income will be

into trinae it will lead to