Question

Can someone check these? http://oi68.tinypic.com/5ujuk6.jpg

Answer 1

@CShrix

Answer 2

Sorry about all the questions

Answer 3

a). Should be correct
b). Should be correct
c). I think this is wrong -- in peroxides, the oxidation number for oxygen becomes -1
d). I believe B should be +3. In this case, H has an oxidation number of -1 since it contains a metal hydride (NaH)
e). Should be correct
f). Should be correct

Answer 4

Thanks

Answer 5

@staldk3 for c) On should be -2.
You are correct !

Answer 6

On represents OXIDATION NUMBER

Answer 7

Thanks @mayankdevnani

Answer 8

your welcome :)