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Write the mechanism of the following reaction :
\[\ce{C2H5OH->[H2SO4][443K]CH2=CH2 + H2O}\]
Concept: Preparation of Commercially Important Alcohols
Account for the following :
t-butyl chloride on heating with sodium methoxide gives 2-methylpropene instead of t-butyl methyl ether.
Concept: Preparation of Ethers
Answer the following question.
Write the disproportionation reaction of H3PO3.
Concept: p-Block elements of Group 15 Elements >> Phosphorus - Allotropic Forms
Draw the structure of XeF4.
Concept: P - Block Group 18 Elements >> Concept of Group 18 Elements
Account for the following :
Although Fluorine has less negative electron gain enthalpy yet F2 is a strong oxidizing agent.
Concept: P Block Elements
Account for the following :
Acidic character decreases from N2O3 to Bi2O3 in group 15.
Concept: Concept of Group 15 Elements
Answer the following question.
Write a chemical reaction to test sulphur dioxide gas. write a chemical equation involved.
Concept: P - Block Group 16 Elements >> Sulphur Dioxide
Write the chemical equation involved in the following reactions:
Acetylation of salicylic add
Concept: Chemical Properties of Phenol
Give a simple chemical test to distinguish between the following pair of compounds:
Ethanal and Propanal
Concept: Aldehydes and Ketones >> Chemical Reactions of Aldehydes and Ketones - Oxidation
A compound 'A' of molecular formula C2H3OCl undergoes a series of reactions as shown below. Write the structures of A, B, C and D in the following reactions :
Concept: Aldehydes and Ketones >> Chemical Reactions of Aldehydes and Ketones - Reactions Due to α-hydrogen
Distinguish between the following : Benzoic acid and methyl benzoate
Concept: Acids >> Chemical Reactions of Carboxylic Acids - Reactions Involving Cleavege of O-H Bond
Write the structure of 2-methylbutanal.
Concept: Aldehydes and Ketones >> Nomenclature of Aldehydes and Ketones
Write the structures of the main products when acetone (CH3 − CO − CH3) reacts with the following reagent :
Zn − Hg/conc. HCl
Concept: Aldehydes and Ketones >> Chemical Reactions of Aldehydes and Ketones - Reduction
Write the structures of the main products when acetone (CH3 − CO − CH3) reacts with the following reagent :
H2N − NHCONH2/H+
Concept: Aldehydes and Ketones >> Chemical Reactions of Aldehydes and Ketones - Nucleophilic Addition Reactions
Arrange the following in the increasing order of their boiling points : C2H5OH, CH3 − CHO, CH3 − COOH
Concept: Nature of Carbonyl Group
Give a simple chemical test to distinguish between the following pair of compounds :
CH3CH2CHO and CH3CH2COCH3
Concept: Aldehydes and Ketones >> Chemical Reactions of Aldehydes and Ketones - Oxidation
How will you bring about the following conversion?
Benzoyl chloride to benzaldehyde.
Concept: Aldehydes and Ketones >> Preparation of Aldehydes
Describe the following:
Cannizzaro reaction
Concept: Aldehydes and Ketones >> Chemical Reactions of Aldehydes and Ketones - Other Reactions
Complete the synthesis by giving missing starting material, reagent or product.
Concept: Aldehydes and Ketones >> Preparation of Ketones
How do you convert the following:
Acetic acid to Methane
Concept: Acids >> Nomenclature of Carboxylic Acids
