metallic chemistry
why transation metals show charaterstic colours to the flame?
arrange in order of basicity,pyridine,pipyridineand pyorine
Explain what is octet rule in chemistry?
If 20ml of 0.4N, NaoH solution completely neutralises 40ml of a dibasic acid. The molarity of the acid solution is: (a) 0.1M (b) 0.2M (c) 0.3M (d) 0.4M Choose the right answer fron above.
explain the process of relative lowering of vapour pressure
Why oxidising character of oxoacids of halogens decreases as oxidation number increases?
Phenol was initially obtained by fractional distillation of coal
why allyl halide and haloarenes are more reactive than alkyl halide towards nucleophilic substitution
The edge length of the unit cell of Nacl crystal lattice is 552 pm. If ionic radius of sodium ion is 95. What is the ionic radius of chloride ion:(a) 190 pm (b) 368 pm (c) 181 pm (d) 276 pm <
What are the benefits of soapy detergents over the soap less detergents? Briefly state the benefits?
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