Electron Configurations Multiple Choice Questions (MCQ) PDF - 52

MCQ 256: The outermost shell of carbon consists of electron

1. 4
2. 5
3. 6
4. 7

MCQ 257: The reactivities of metals of group-I and II are related to the

1. Electronegativity
2. Ionization energy
3. Electron affinity
4. None of above

MCQ 258: One of the main use of magnesium is preparation of

1. Nitrides
2. Carbides
3. Grignard's reagent
4. Sulphides

MCQ 259: The glassy beads in borax beads test are made of

1. Sodium borate
2. Sodium metaborate
3. Boron oxide
4. Both b and c

MCQ 260: Decomposition of N₂O₅ is

1. First order reaction
2. Second order reaction
3. Third order reaction
4. Zero order reaction