AP EAMCET · Chemistry · d and f Block Elements
Which of the following are correct?
(i) \(\mathrm{V}^{2+}\) liberates hydrogen from a dilute acid
(ii) The earlier members of lanthanide series behave more like aluminium
(iii) The 'silver' UK coins are made of \(\mathrm{Cu} / \mathrm{Ni}\) alloy
(iv) The maximum oxidation state exhibited by Neptunium is +7
- A (i) (iii) only
- B (ii) (iv) only
- C (i) (iii) (iv) only
- D (i) (ii) (iii) only
Answer & Solution
Correct Answer
(C) (i) (iii) (iv) only
Step-by-step Solution
Detailed explanation
\(\mathrm{V}^{2+}\) is a strong reducing agent and liberates hydrogen from a dilute acid. Thus, (i) is correct. In chemical behaviour, the earlier members of the lanthanide series behave more like calcium. Thus, (ii) is incorrect. Silver \(\mathrm{UK}\) coins…
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