Sodium borate on reaction with H_2SO_4 (conc. | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(D) When borate is heated with ethanol and conc. $H_2SO_4$,triethyl borate is produced,and these vapours burn with a green-edged flame on ignition.$Na

Vedclass · Accepted Answer

$(C_2H_5)_3BO_3$

Vedclass · Answer

(D) When borate is heated with ethanol and conc. $H_2SO_4$,triethyl borate is produced,and these vapours burn with a green-edged flame on ignition.$Na_2B_4O_7 + H_2SO_4 + 5 H_2O \rightarrow Na_2SO_4 + 4 H_3BO_3$$H_3BO_3 + 3 C_2H_5OH \rightarrow B(OC_2H_5)_3 + 3 H_2O$Thus,the green-edged flame is due to the formation of Triethyl Borate,which is $(C_2H_5)_3BO_3$.

Sodium borate on reaction with $H_2SO_4$ (conc.) and $C_2H_5OH$ gives a compound '$A$' which burns with a green flame. The compound '$A$' is

Similar Questions

The correct order of atomic radii in group $13$ elements is

Which one is a pseudo alum?

Which of the following oxides is amphoteric in nature?

$H_3BO_3$ is

Which one of the following is the correct statement?

Vedclass Test Series

Exam Paper Generator

Online Exam Module