Consider the following statements: (I) Cs+ is more highly hydrated than the other alkali metal ion (II) Among the alkali metals Li, Na, K and Rb, lithium has the highest melting point (III) Among the alkali metals only lithium forms a stable nitride by direct combination. Which of these are correct?

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Consider the following statements: (I) Cs+ is more highly hydrated than the other alkali metal ion (II) Among the alkali metals Li, Na, K and Rb, lithium has the highest melting point (III) Among the alkali metals only lithium forms a stable nitride by direct combination. Which of these are correct?






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