Question

What is the oxidized substance in the following reaction?

Fe + 2HCl → FeCl2 + H2

A. Fe

B. HCl

C. FeCl2

D. H2

Answer 1

Among the following, which is an oxidation-reduction reaction?

A. Na2S + CaCO3 → CaS + Na2CO3

B. 2HNO3 + Mg(OH)2 → Mg(NO3)2 + 2H2O

C. H2 + F2 → 2HF

D. 3Ba(OH)2 + 2H3PO4 → Ba3(PO4)2 + 6H2O

Answer 2

u say

Answer 3

i know B is not the option
i think its D

Answer 4

why its D in that which one is oxidised and which one is reduced

Answer 5

ba is oxidized and oxygen is reduced

Answer 6

chm are you there

Answer 7

what is Ba oxidation state on left and right

Answer 8

Ba3 and Ba

Answer 9

noooo its +2 only in both case

Answer 10

so no oxidation

Answer 11

why cant it be C

Answer 12

F+ and F+2

Answer 13

can you check oxidation state of H2and F2

Answer 14

what is oxidation state of F2 ???

Answer 15

so the ansswer will be C

Answer 16

you ddint answer my question right

Answer 17

actually chm i have deadline to meet for the correction of wrong answers out of 800 i got 18 questions wrong

Answer 18

then

Answer 19

so can we do it fast
and please tell me are your sure about the answers

Answer 20

here its C

Answer 21

sory telling the answer directly is against the code of conduct OP:( i am sorry

Answer 22

http://prntscr.com/zm5fn

Answer 23

oxidation is loss of electrons (or increase in oxidation state)

Answer 24

hahaa nicley said @LilySwan