Organic Chemistry Answers

In an experiment, 0.791 g of acetone reacts with 1.044 g of benzaldehyde to produce experimental 1.00 g of dibenzalacetone. Calculate the theoretical and percentage yield.

Rock salt is a mixture of salt (sodium chloride) and sand. Describe how you would separate rock salt to obtain salt crystals and pure dry sand. 

Choose the correct option: Important factors that influence the E1 reaction mechanism

i. Electron donating ability of substituents

ii. Good leaving group

iii. solvents of high polarity

iv. All of the above

、What is the main reaction and secondary reaction of steam conversion method to

get syngas？

An organic compound X contains 40% carbon, 6.7% hydrogen and the rest oxygen. The vapour density of X is 30. The compound reacted with a compound Y and a colourless gas Z which turn limewater milky. On boiling under reflux, the mixture of X and W, gives a sweet smelling liquid G was formed.i. determine the empirical and molecular formula of X.

An organic compound X contains 40% carbon, 6.7% hydrogen and the rest oxygen. The vapour density of X is 30. The compound reacted with a compound Y and a colourless gas Z which turn limewater milky. On boiling under reflux, the mixture of X and W, gives a sweet smelling liquid G was formed.i. determine the empirical and molecular formula of X.ii. identify Y, Z, W and G.iii. Give the formula of the functional group present in Xiv. Deduce the structure of the compound Xv. Name the reaction which take place between X and W, and write the equation for the reaction of X and W.

An organic compound X contains 40% carbon, 6.7% hydrogen and the rest oxygen. The vapour density of X is 30. The compound reacted with a compound Y and a colourless gas Z which turn limewater milky. On boiling under reflux, the mixture of X and W, gives a sweet smelling liquid G was formed.i. determine the empirical and molecular formula of X.

A 400 mL buffer solution was prepared by reacting sodium acetate, CH₃COONa, with 1.00 M acetic acid, CH₃COOH, with a pH of 4.56 Calculate the mass of CH₃COONa required to prepare the solution. Ka CH₃COOH= 1.75 x 10^-5  

draw the resonance structure of cyanate ion. out of them which one is less important as a resonance structure and why?

Write the scheme for obtaining thymidine-3’monophosphate from nucleoside .give the name of the reagent .name all types of bonds