Question

Suppose an element U reacts with another element V to form a compound U2V3. Further, V reacts
with W to form W2V. What is the sum of valency of U and W?

(A) 4
B) 3
(C) 1
(D) 2​

Answer 1

A)4

By equation we get U=3,V=2 and W=1

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Answer 2

Answer:

option A is the correct answer

Explanation:

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