These are some questions from electrochemistry..Can anyone answer me with explanation from question no. 9-17 pls ?

please upload a clear image or post your question one by one.,............................

we will try to answer it..................thanks..........

advance happy birthday sahil annaya and answer my question i cannot understand organic chemistry??  plz suggest me

The questions are not clearly visible , and also post them one by one , 
we will try to clear your doubt as soon as possible ,, 
when u are uploading the ques make sure its clearly visible , 
even if diagrams also . 
and before start solving these questions , do focus on nernest equation , reduction potential and electrochemical series from ncert . 

they will help u to solve it on your own .. 

ALL THE BEST ..