The stability of +1 oxidation state among Al, Ga, In and Tl increases in the sequence
A compound among the following having a similar structure to graphite is -
Which of these is not a monomer for a high molecular mass silicone polymer ?
The basic structural unit of silicates is :
A compound among the following that is least likely to behave as a Lewis base is-
1. Sheet silicate
3. Three dimensional silicate
4. Linear chain silicate
Which one of the following anions is present in the chain structure silicates?
Al2O3 can be converted to anhydrous AlCl3 by heating-
2. with NaCl in solid-state
3. a mixture of and carbon in dry gas
4. with gas
In which of the following pairs, both the species are not isostructural?
2. Diamond, silicon carbide
Which of the following oxide is amphoteric?