F*UCK YOU NTA

So mera 23 S2 tha (kaafi bakwas gaya) aur maine ek Question chem ka challenge kiya with valid proof ( also counseled by chem ke sir) aur inn chutiye ne kuch follow up nahi kiya aur vohi purana answer as final de diya Question- https://preview.redd.it/d9sr3vg8h9ie1.png?width=1180&format=png&auto=webp&s=21387130dffd2fe85af1c01162418cc2e21cbb5f Answer- https://preview.redd.it/4ir7ziz9h9ie1.png?width=610&format=png&auto=webp&s=2c68933105f41394462b70052b41a2173e9dda63 Was my answer wrong? Any suggestions to my answer is welcomed