CBSE Class 10 Science 2016 Term II Outside Delhi Set 2

Question : 7 of 12

Marks: +1, -0

On dropping a small piece of sodium in a test-tube containing carbon compound '

X

' with molecular formula

{\C}_2 {\H}_6 {\O}

, a brisk effervescence is observed and a gas '

Y

' is produced. On bringing a burning splinter at the mouth of the test-tube the gas evolved burns with a pop sound. Identify '

X

' and '

Y

'. Also write the chemical equation for the reaction. Write the name and structure of the product formed, when you heat '

X

' with excess conc. sulphuric acid.

Solution:

{\X}=

Ethanol

{\C}_2 {\H}_5 {\OH}

{\Y}= {\H}_2 \;\text " gas "\;

2 {\C}_2 {\H}_5 {\OH}+2 {\Na} → 2 {\C}_2 {\H}_5 {\ONa}+ {\H}_2

Go to Question:

Prev Question

Next Question