Which of the following compounds are ionic ?
(i)`Li_(3)N`, (ii) `Be_(3)N_(2)` (iii) `Mg_(3)N_(2)` (iv) `Ca_(3)N_(2)`

3Mg(s)+N_(2)(g)toMg_(3)N_(2)

3Mg(s)+N_(2)(g)toMg_(3)N_(2)

Which of the following species is/are isoelectronic with Neon ? (i) N^(3-) (ii) Mg^(2+) (iii) K^+ (iv) Ca^(2+)

Which molecule is polar in each of the following pairs ? (i) HF, F_(2)" (ii) "CO_(2), H_(2)O (iii) n_(2),NH_(3)" (iv) "CH_(4),CH_(3)Cl.

Complete the following equations: (i) Ca+2D_(2)O to (ii) Mg_(3)N_(2)+D_(2)O to (ii) P_(2)O_(5)+D_(2)Oto (iv) Ca_(3)P_(2) +D_(2)O to

Which of the following should be most volatile? (I) CH_(3)CH_(2)CH_(2)NH" (II) "(CH_(3))_(3)N (III) (IV) CH_(3)CH_(2)CH_(3)

Which of the following should be most volatile? (I) CH_(3)CH_(2)CH_(2)NH_(2) (II) (CH_(3))_(3)N (III) (IV) CH_(3)NHCH_(3)

What do the following denote ? (i) N, (ii) 2N, (iii) N_(2) , (iv) 2N_(2)

Mg_(3)N_(2) + H_(2)O to