First question in the picture.
Is the answer 7?
They are named as x = total atoms in the ring while y = no. of oxygens. In this case, 10 C & 5 O; that means x = 15 & y = 6.
Got it. It should be 5 only bro (you’ve taken 6). Answer is 7.. And @pratyaksh_tyagi did not get your video.
Search khan academy " Crown ether "
Question 187 ans is C
I thought it could be c too but he said marked answers are correct so didn't research
Can't argue with experimental data though. So c must be correct.