Inorganic Chemistry Answers

how we can understand that which one of the following aqueous solution has highest freezing point?
a. 0.1M Nacl
b. 0.1M BaCl2
c. 0.1M Al2(SO4)3
d. 0.1M urea

my question is that..for d4 system high spin complexes square planar geometry is more stable than octahedral geometry. why?

The ionization energy of alkaline earth metals on moving down the group.

Lead (ii) sulphate is used as white pigment.what is the solubility of pbS04?
ksp is 1.8x10_11

1.what are all the possible points of isomerism in duloxetine hydrochloride and assign stereodescriptors to any alkenes, chiral centres?

2. the infrared, mass spectroscopic and 1H and 13C NMR data for duloxetine hydrochloride

which of these statement is not true?
a)alkaline earth metals react with acid to liberate hydrogen
b)metals halides formed by alkaline earth metals are hygroscopic in nature
c)alkaline earth metals react readily with water
d)alkaline earth metals are less reactive than alkali metals

When alkali metals are heated with hydrogen, they form ____________ hydrides

all these can be used as raw materials for the production of oxygen except..........?
a)coke
b)carbon(ii)oxide
c)steam
d)nitrogen

sodium hydride is an example of?
a)covalent
b)ionic
c)metallic
d)non-stoichiometric

the energy required to remove two valence electrons of a metalic atom is called?
a)ionization energy
b)second ionization energy
c)activation energy
d)electron potential