Inorganic Chemistry Answers

What are primary and secondary valancies at atomic level?

While naming a coordinate compound should we write the polydentate ligand name in brackets after writing the prefix-bis/tris etc?

What is the IUPAC name of [Co(NH3)5H2O]Cl3 ?
Is it pentaammineaquo or aquopentaammine?

A man waters, with a water hose, with an area of 2.26'. If the volume of the water coming out of the hose fills a 10 quart pail in 2 minutes, what is the rainfall depth (in inches ) equivalent if he runs the garden hose for 12 minutes? 1gallon = 8pounds 1 cubic foot = 62.4 pounds

what volume of Hydrogen would be liberated when 11.2g of Iron Fe reacts with excess dilute tetraoxosulphate(vi) acid
H2SO4
H- 1 O-16 S-22 Fe- 36

How can we determine Chromium ion in a sample other than borax bead test or cobalt nitrate test?

An element A in a compound ABD has an oxidation number –n. It is oxidized by Cr2O72– in acidic medium. In an experiment 1.68 × 10–3 mol of K2Cr2O7 was required for 3.26 × 10–3 mol of the compound ABD. Calculate new oxidation state of A.

Which is correct for Gp.14 elements :-

(1) Stability of dihalides CX2 < SiX2 < Ge2X2 < PbX2 < SrX2
(2) Tendency of catenation increases down the group
(3) They all form oxides with formula M2O2
(4) Acidic strength of dioxide regular decrease

What are the chemical formulae of Borate radicals? Are there more than one Anion with the name borate?

The decomposition of NO2 is a 1st order reaction. At room temperature it takes 32mins for 0.05M NO2 to decrease to 0.025M. How long will it take 0.025M NO2 to decrease to .0.0125M?