Isomerism basics

3) i got only 4 strut. & 5 sterio..
plese help

@govind ...ur structural isomers solution is correct and an isomer....2-methyl 1,1,2-tribromo propane has a chiral center so there are 2 optically active isomer......therefore the answer should be 7

@grandmaster

structural 6....if one is optically active...we have already counted its R( or S) one....so we will add only its counterpart hence ans will be 6 and not 7 as u say

No they are not isomers....

ques 1 answer is 2 .. in the first double bond the ring is symmetrical clockwise and anti .. so it doesnt exhibit cis trans isomerism ...

2-c bcoz only in acetophenone the two groups attached to the double bond are different....

answer for the 5th is 9
2 position isomers ou of which one exhibits geometrical isomerism
3 position isomers in the branched isomer
1 5 membered ring
1 4 membered ring
1 3 membered ring

4th ques for position isomerism 4 dunno for geometrical isomerism ..