Which among the following is the valency of SO3
a.
-4
b.
-1
c.
-3
d.
-2
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the valency of SO3 is -2
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Explanation:
non of this choose it's +6 .The valency of central atom sulphur in so2 is +4 & in so3 is +6. ... Bcoz u can't get the valency of a molecule..it is of a atom ...so vamency of S in SO2 is 4 and that in SO3 is 6....and of oxygen is 2 in both of them..
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