Inorganic Chemistry Answers

2 g of benzoic acid is dissolved in 25 g of benzene,shows a depression in freezing point equal to 1.62 K. Kf for benzene is 4.9 K kg mol^-1. What is percentage association of benzoic acid if it forms dimer in benzene?

determine the amount cu2s at 85% we need to obtain 1 kg of cuobif the yield of tje reaction is 92%

Why aluminum hardly react with hydrochloric acid? and what is the purpose of mineral wool?

Name the process that is employed to refine aluminium.

the discovery of ---------- rejected law of octave..
A. Halogens
B. Inert gases
C. Alkali Metals
D. Heavy metals

How many molecules of iron sulphate are in 250ml of the solution?
How many ions fe3+ does the 50ml solution contain?

a sample of gas containing 1.50 moles of neon has a volume of 8.50l. what will be the volume of the sample of gas if a leak allows one half of the neon atoms to escape?

Given the thermochemical equations

X
2
+
3
Y
2
⟶
2
XY
3
Δ
H
1
=
−
340
kJ

X
2
+
2
Z
2
⟶
2
XZ
2
Δ
H
2
=
−
140
kJ

2
Y
2
+
Z
2
⟶
2
Y
2
Z
Δ
H
3
=
−
240
kJ

Calculate the change in enthalpy for the reaction.

4
XY
3
+
7
Z
2
⟶
6
Y
2
Z
+
4
XZ
2

For a reaction X + 2Y ------> Z . The amount of Z formed by stating the reaction with 5 moles of X and 8 moles of Y.

Infrared spectral analysis of the following three complexes showed a set of two IR bands for the νCO stretching frequencies of 1956 & 1875 cm-1; 1930 & 1850 cm-1; and 1979 & 1897 cm-1. Match the correct set of IR bands to the given compounds and justify your reason.

(a) (η5 -C5H5)2 Ti (CO)2
(b) (η5 -C5(CH3)5) (η5 -C5H5) Ti (CO)2
(c) η5 - C5(CH3)5)2Ti(CO)2