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Which of the following statements are co...

Which of the following statements are correct about ionic hydrides ?
(i) Crystalline, non-volatile, non-conducting in solid state
(ii) Their melts conduct electricity
(iii) Hydrogen is liberated at anode when their melt is electrolysed
(iv) LiH is less reactive at moderate temperature

A

(i), (iii)

B

(ii), (iv)

C

(i), (iii), (iv)

D

(i), (ii), (iii), (iv)

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