Chemistry · S-Block Elements
Which of the following statements are true regarding the difference between lithium and the rest of the alkali group elements? i. Lithium is relatively harder than the other Group 1 metals. ii. Lithium forms the nitride Li3N. No other Group 1 element forms a nitride. iii. Lithium reacts directly with carbon to form ionic carbides. No other Group 1 element forms carbides directly.
- 1ii and iii only
- 2i and iii only
- 3i and ii only✓
- 4i, ii and iii
Correct answer
i and ii only
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