Predict if the solutions of the following salts are neutral , acidic or basic : `NaCl`, `Kbr`, `NaCN`, `NH_(4)NO_(3)`, `NaNO_(2)` and `KF`

Write the nature of the following salt solutions. NH_4Cl

Classify the following oxides as neutral, acidic, basic or amphoteric. CO, B_2_3 , SiO_2, CO_2, Al_2O_3, PbO_2, Tl_2O_3

Arrange the aqueous solution of the following salts in the increasing order of pH underset(I)(CuSO_(4)) " " underset(II)(NaCN) " " underset(III)(KCl)

Which of the followings are Lewis acids? H_(2)O , BF_(3) , H^(+) , and NH_(4)^(+)

Write the conjugate acids for the following Bronsted bases: NH_(2)^(-),NH_(3) and HCOO^(-) :

Write the IUPAC names of the following coordination compounds: [CoCl_(2)(en)_(2)]Cl , (b) [Ni(CO)_(4)] , c ) [Pt(NH_(3))_(2)Cl(NO_(2))] and d) [Cr(NH_(3))_(6)][Co(CN)_(6)]

In the extraction of silver from argentite are the one is treated with dilute solution of NaCN in water in the presence of Y, whereby the following reaction takes place. Ag_(2)X+4NaCN+2Y to 2Na[Ag(CN)_(2)]+Na_(2)XO_(4)X and Y in this reaction are repesented by

Mention whether each of the following conversion involves oxidation or reduction. a) HCl rarr HOCl, b) KMnO_(4)rarrK_(2)MnO_(4) and c) HNO_(3)rarr NaNO_(3)