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Be and Al exhibit diagonal relationship ...

Be and Al exhibit diagonal relationship . Which of the following statements about them is/are not true ?
(i) Both react with HCl to liberate `H_2`.
(ii) They are made passive by `HNO_3`.
(iii) Their carbides give acetylene on treatment with water .
(iv) Their oxides are amphoteric .

A

Only (i)

B

(ii) and (iii)

C

Only (iv)

D

(ii) and (iv)

Text Solution

Verified by Experts

The correct Answer is:
C
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