question_answer

Which of the following have X-O-X linkage? (where, X is central atom) (i) Pyro silicate                (ii) \[C{{r}_{2}}O_{7}^{2-}\] (iii) \[{{S}_{2}}O_{3}^{2-}\]                       (iv) Hyponitrous acid

A)  (II), (III)                    

B)  (II), (I)

C)  (I), (III), (IV)     

D)  All have X-O-X linkage

Correct Answer: B

Solution :

(I) have Si-O-Si linkage (II) have Cr-O-Cr linkage