The following is an experimental account of the preparation of compound B from Phenylamine. 2cm3 of phenylamine are dissolved in 10cm3 of 0.5M hydrochloric acid in a test tube and cooled in an ice bath. 5cm3 of 0.2M sodium nitrate solution cooled to about 5o are added to the solution above and shaken. A salt A, C6H5N2Cl is formed, collected and dried. 1g of salt A is dissolved in 10cm3 of water, cooled and added drop by drop to a cold solution of 0.3g phenol in 5cm3 of 0.1M sodium hydroxide solution. B is precipitated, filtered, dried and the melting point determined. B is further crystallized twice and the melting point taken each time and found to be constant. What is the general name given to the reaction between phenylamine and sodium nitrite and explain why it's necessary to carry out the reaction at low temperatures? Write the equation for the reaction between compound A and phenol Write the equation for the reaction between phenylamine and sodium nitrite.
The following is an experimental account of the preparation of compound B from Phenylamine. 2cm3 of phenylamine are dissolved in 10cm3 of 0.5M hydrochloric acid in a test tube and cooled in an ice bath. 5cm3 of 0.2M sodium nitrate solution cooled to about 5o are added to the solution above and shaken. A salt A, C6H5N2Cl is formed, collected and dried. 1g of salt A is dissolved in 10cm3 of water, cooled and added drop by drop to a cold solution of 0.3g phenol in 5cm3 of 0.1M sodium hydroxide solution. B is precipitated, filtered, dried and the melting point determined. B is further crystallized twice and the melting point taken each time and found to be constant. What is the general name given to the reaction between phenylamine and sodium nitrite and explain why it's necessary to carry out the reaction at low temperatures? Write the equation for the reaction between compound A and phenol Write the equation for the reaction between phenylamine and sodium nitrite.
Chapter24: Amines And Heterocycles
Section24.SE: Something Extra
Problem 38MP
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The following is an experimental account of the preparation of compound B from Phenylamine.
2cm3 of phenylamine are dissolved in 10cm3 of 0.5M hydrochloric acid in a test tube and cooled in an ice bath. 5cm3 of 0.2M sodium nitrate solution cooled to about 5o are added to the solution above and shaken. A salt A, C6H5N2Cl is formed, collected and dried. 1g of salt A is dissolved in 10cm3 of water, cooled and added drop by drop to a cold solution of 0.3g phenol in 5cm3 of 0.1M sodium hydroxide solution. B is precipitated, filtered, dried and the melting point determined. B is further crystallized twice and the melting point taken each time and found to be constant.
- What is the general name given to the reaction between phenylamine and sodium nitrite and explain why it's necessary to carry out the reaction at low temperatures?
- Write the equation for the reaction between compound A and phenol
- Write the equation for the reaction between phenylamine and sodium nitrite.
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