Which of the following statement is/are false for alkali metals ? \...

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Which of the following statement is/are false for alkali metals ?
\( \mathrm{P} \)
(A) Lithium is the strongest reducing agent
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(B) \( \mathrm{Na} \) is amphoteric in nautre
(C) \( \mathrm{Li}^{+} \)is exceptionally small
-(D) All alkali metals give blue solution in liquid ammonia
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