List of top Inorganic Chemistry Questions

The normal mode(s) of vibration of H\(_2\)O is/are: 

The major product formed in the following reaction 

 is:

In the following reaction sequence: 

The major products P and Q, respectively, are: 

In the following reaction 

 the major products X and Y, respectively, are: 

The major product formed in the following reaction: 

 is: 

2 L of a gas at 1 atm pressure is reversibly heated to reach a final volume of 3.5 L. The absolute value of the work done on the gas (rounded off to the nearest integer) is \(\underline{\hspace{2cm}}\) Joules.
The vapor pressure of toluene (Mol. Wt. = 92) is 0.13 atm at 25 °C. If 6 g of a hydrocarbon is dissolved in 92 g of toluene, the vapor pressure drops to 0.12 atm. The molar mass of the hydrocarbon (rounded off to the nearest integer) is \(\underline{\hspace{2cm}}\).
The molar absorption coefficient of a substance dissolved in cyclohexane is 1710 L mol\(^{-1}\) cm\(^{-1}\) at 500 nm. The reduction in intensity of light of the same wavelength that passes through a cell of 1 mm path length containing a 2 mmol L\(^{-1}\) solution (rounded off to one decimal place) is \(\underline{\hspace{2cm}}\) %.
The number of photons emitted per nanosecond by a deuterium lamp (400 nm) having a power of 1 microwatt (rounded off to the nearest integer) is \(\underline{\hspace{2cm}}\).
Given: \( h = 6.626 \times 10^{-34} \, \text{kg m}^2 \text{s}^{-1}, c = 3.0 \times 10^8 \, \text{m s}^{-1} \).
The correct order of increasing intensity (molar absorptivity) of the UV-visible absorption bands for the ions [Ti(H\(_2\)O)\(_6\)]\(^{3+}\), [Mn(H\(_2\)O)\(_6\)]\(^{2+}\), [CrO\(_4\)]\(^{2-}\), and [NiCl\(_4\)]\(^{2-}\) is:
The yellow color of an aqueous solution of K\(_2\)CrO\(_4\) changes to red-orange upon the addition of a few drops of HCl. The red-orange complex, the oxidation state of its central element(s), and the origin of its color, respectively, are:
A 5 V battery delivers a steady current of 1.5 A for a period of 2 h. The total charge that has passed through the circuit is \(\underline{\hspace{2cm}}\) Coulombs.
The Mo–Mo bond order in [(η5-C5H5)Mo(CO)2]2 which obeys the 18-electron rule is \(\underline{\hspace{2cm}}\).
Which one of the following is a non-heme protein?
The reagent(s) required for the conversion of hex-3-yne to (E)-hex-3-ene is/are:

The value of 'n' in \([ \text{P(O}_3\text{)}_4 ]^{6-}\) is ............
 

The total number of all possible isomers of \( [\text{Co}( \text{H}_2\text{NCH}_2\text{CH}_2\text{NH}_2)_2 ]^{2+} \) and \( [\text{Co}( \text{H}_2\text{NCH}_2\text{CH}_2\text{NH}_2)_3 ]^{3+} \) together is ............
 

The number of lone pairs present in phosphonic acid (phosphorus acid) is .........
The transition metal complex(es) with zero magnetic moment, zero dipole moment and CFSE of –2.4 \( \Delta_o \) is(are)
The soft Lewis base(s) is(are)

The plot showing the magnetic behavior of oxy- (solid line) and deoxy-haemoglobin (dashed line) is 


 

The number of d-d transition(s) expected for the complex [Cu(NH3)2(H2O)]²⁺ is
The coordination number of aluminum ion and the number of bridging hydrogen atoms in [Al(BH4)4]⁻ are, respectively,
The order of the M–C bond strength in the following species is (Atomic number for Cr = 24, Mn = 25, Ti = 22, Co = 27)
\[ \text{[Cr(CO)}_6] \text{[Mn(CO)}_6]^+ \text{[Ti(CO)}_6]^{2-} \text{[Co(CO)}_6]^+ \]
The cage-type structure adopted by boron hydride, [B5H11] is