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Aromatic compounds burn with sooty flame because:

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Important Questions on Hydrocarbons

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Alpha Question Bank for Engineering: Chemistry>Chapter 24 - Hydrocarbons>Exercise-1>Q 39
Which of the following reaction is an elimination reaction?
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Alpha Question Bank for Engineering: Chemistry>Chapter 24 - Hydrocarbons>Exercise-1>Q 40
An organic compound which has molecular formula C4H4O2 gives 3 moles of gas on treatment with methyl magnesium bromide. Give the structure of the compound.
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Alpha Question Bank for Engineering: Chemistry>Chapter 24 - Hydrocarbons>Exercise-1>Q 43
C6H5COOH+CH3MgI⟶?
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Alpha Question Bank for Engineering: Chemistry>Chapter 24 - Hydrocarbons>Exercise-1>Q 44
CH33CMgCl on reaction with D2O produces
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Alpha Question Bank for Engineering: Chemistry>Chapter 24 - Hydrocarbons>Exercise-1>Q 47
How do you account for the formation of ethane during chlorination of methane?
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Alpha Question Bank for Engineering: Chemistry>Chapter 24 - Hydrocarbons>Exercise-1>Q 48

In the reaction sequence:

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What is the relationship between A & B?

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Alpha Question Bank for Engineering: Chemistry>Chapter 24 - Hydrocarbons>Exercise-1>Q 49
Which among the following is a deactivating group?
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Alpha Question Bank for Engineering: Chemistry>Chapter 24 - Hydrocarbons>Exercise-1>Q 50
Toluene is op orienting with respect to an electrophilic substitution reaction due to: