Question

(1) -1
9. Let P = {1, -1}, Q = {x\x2 = 4, X €Z} and R={-2, -1,1}. State which of the following are
true and which are false.
(i) P Q
(ii) P =
(iii) Q R
(iv) PAR
(v) Q =R
(vi) PER​

Answer 1

Answer:

Here, there are three carbons so we will use propan and since, carbon number 1 is a carbon of the aldehyde so al will be used. Therefore, the IUPAC name of CH3−CH2−CHO is propanal.