ok let me help you in understanding the rules ...first and most important rule is lowest number to the substituents ..in your example they have followed lowest sum rule ..you need not to worry about the alphabets
Next question is where I need to worry for alphabets :
let me help you with...
What he means by the fulcrum is the point of balance- Imagine a see-saw. The centre is the fulcrum.
Here the fulcrum is the edge of the table.
Since the block is 30 cm on the table and 20 cm outside it, you can take the downward force acting on the left hand side as 3/5 x 7 = 4.2 kg. This acts...
What you need to do is to find the moments- clockwise and anticlockwise at the hinge.
CW moment Weight of the pole acting at the Centre of gravity=mg. Multiply this by the effective distance from the hinge ie 7.5/2 x cos 30.
Similarly find the other moments. Equate the CW moments to the ACW...
Okay than we are good with this explanation only.We can also think in terms of big size of Br .
Since O is in the plane of the ring and all equatorial bonds are in the plane of the ring.So we can also say that when Br on second carbon is axial ,it minimizes steric repulsion .More suitable...
Hi
We can think or visualize it on the basis of electron pairs on O and Br .Both of them have lone pairs on them which can result in LP-LP repulsion .This can be the reason that Br is axial to O atom which is in the ring.You need to post the structure also so that I can think more clearly.Are...
Hi
Yes it is syn addition and 2H be added on the same face.So addition can take place from the top or from the bottom 50% chances of each . This will give you equal amount of RS and hence racemic mixture.
Your answer is perfect.