Doubt on some basic concept of chemistry

solved
moderate
balancing
redox-reaction
acidic-reduction
pp
#1

#2

Please provide full explanation by balancing.

#3

I think in the product MnO2 is formed.please check

#4

#5

No,Question is correct.
Mn+2 is formed in product.

#6

How did you say that this reaction is in acidic medium? It may be in basic medium.

#7

C2H5OH is An acid,i guess. And unless and until it's specifically mentioned, to take basic medium, you should take the medium acidic.

#8

Okk,I got your answer.
Thanks @Priya_1