Question

3
वालील विरामचिन्हांची नावे लिहो
१
25
3
३१
4​

Answer 1

First, ethanol react with PCC (Pyridinium chlorochromate) and give CH3CHO (aldehyde). Then, CH3CHO reacts with dilute NaOH and heat the mixture, and it gives CH3CHCHCHO. ... Now, Send H2 to the CH3CHCHCH3 in the presence of Ni catalyst and it gives the required butane.