CBSE Class 11-science Answered
pls explain
Asked by mufeedatvp2000 | 18 Apr, 2020, 02:20: PM
Expert Answer
oxidation state of oxygen is -2
lets take metal O.S as +1 or +2 in two cases with its atomic wt. as X
case 1:
for +1 state, its: M2O+ 2HCl ----> 2MCl + H2O
2x+16 x+35.5
so, it shld be 3/(2x+16) = 2*5/(x+35.5) where x is negative, so its not possible to metal be in +1 state
case 2:
for +1 state, its: M0 + 2HCl ----> MCl2 + H2O
x+16 x+72
so, it shld be 3/(x+16) = 5/(x+72)
which gives x = 66.5
so, the metal is Zinc
its eq. wt = 33.25
Answered by Ravi | 18 Apr, 2020, 08:38: PM
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