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Inorganic Chemistry
What were the difficulties in the preparation of flourine? Explain how these difficulties were overcome?
Inorganic Chemistry
Describe the priciple of manfacture of sulphuric acid by contact process. What are the limitations of this process and how are these overcome?
Inorganic Chemistry
Write the structure of pyrosilicates and chain silicates.
Inorganic Chemistry
What is effective nuclear charge? What is its role in explaining the size of atoms?
Inorganic Chemistry
which of these is not an sp hybridized compound
(1)= Ch3 (2) C3h8 (3) C2h2 (4) C2H-6
(1)= Ch3 (2) C3h8 (3) C2h2 (4) C2H-6
Inorganic Chemistry
The iodine bromide molecule (IBr) has a
bond length of 2.49 A° and a dipole moment
of 1.21 D. Calculate the effective charges
on the I and Br atoms in IBr in units of
electronic charge, e. (1D = 3.34 x 10 -3° C m,
electronic charge, e= 1.602 x 10 -19C)
bond length of 2.49 A° and a dipole moment
of 1.21 D. Calculate the effective charges
on the I and Br atoms in IBr in units of
electronic charge, e. (1D = 3.34 x 10 -3° C m,
electronic charge, e= 1.602 x 10 -19C)
Inorganic Chemistry
Assuming that the sodium sulphate sample is 100% pure, calculate the volume of 0.25 M BaCL2 required to precipitate all the sulphate in it. (as in step 4 in the precipitation stage in the experiment). What is the formula use for this question ? thank you.
Inorganic Chemistry
If 10g of phosphine is made to react with 15g of chlorine gas , calculate the percentage yield if 5.5g of phosphorous pentachloride was experimentally produced
Inorganic Chemistry
Phosphorous pentachloride is produced by the reaction between phosphine and chlorine gas. What mass of chlorine gas would be required to produced 0.015 kg of phosphorous pentachloride
Inorganic Chemistry
A buffer solution is made using a weak acid, HA, with a pKa of 6.40. If the ratio of A– to HA is 0.010, what is the pH of the buffer?
