Multiple choice

Which of the following statements is/are not true about the diagonal relationship of Be and Al?

(A) Both react with NaOH to liberate hydrogen. (B) Their oxides are basic. (C) They are made passively by nitric acid. (D) Their carbides give acetylene on treatment with water.

  1. Only (A)

  2. (B) and (C)

  3. Only (D)

  4. (B) and (D)
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Oxides of Be and Al are amphoteric in nature. Their carbides give methane on treatment with water.

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