Inorganic Chemistry PYQ — Page 16

In the hydrocarbon  The state of hybridisation of carbons 1,3 and 5 are in the following sequence

The angular shape of molecule $\left(\mathrm{O}_3\right)$ consists of

Which one of the following arrangements does not give the correct picture of the trends indicated against it?

Which one of the following ions is the most stable in aqueous solution? (At No. $\mathrm{Ti}=22, \mathrm{~V}=23, \mathrm{Cr}=24, \mathrm{Mn}=$ 25)

Which of the following anions is present in the chain structure of silicates?

Which of the following ionic species has the greatest proton affinity to form stable compound?

In which of the following pairs, the two species are iso-structural?

With which of the following electronic configuration an atom has the lowest ionisation enthalpy?

The correct $\mathrm{C}-\mathrm{O}$ bond length among $\mathrm{CO}, \mathrm{CO}_3^{-2}, \mathrm{CO}_2$ is:

Identify the incorrect statement among the following:

Which one of the following orders correctly represents the increasing acid strengths of the given acids?

The $d$ electron configuration of $\mathrm{Cr}^{2+}$, $\mathrm{Mn}^{2+}, \mathrm{Fe}^{2+}$ and $\mathrm{Ni}^{2+}$ are $3 \mathrm{~d}^4, 3 \mathrm{~d}^5, 3 \mathrm{~d}^6$ and $3 \mathrm{~d}^8$ respectively. Which one of the following aqua complexes will exhibit the minimum paramagnetic behaviour? (At. No. $\mathrm{Cr}=24, \mathrm{Mn}=25, \mathrm{Fe}=26, \mathrm{Ni}=$ 28)

Identify the correct order of the size of the following:

Which of the following oxidation states are the most characteristics for lead and tin respectively?

Which of the following will give a pair of enantiomers?

In which of the following pairs are both the ions coloured in aqueous solution- [At. No. : \(\mathrm{Sc}=21, \mathrm{Ti}=22, \mathrm{Ni}=28, \mathrm{Cu}=29, \mathrm{Co}=27\)]

Which of the following is the most basic oxide?

The number of unpaired electrons in a paramagnetic diatomic molecule of an element with atomic number 16 is:

Which of the following is not a correct statement?

Which of the following species has a linear shape?

In which of the following molecules are all the bonds not equal?

Which one of the following orders is not in accordance with the property stated against it?

Copper sulphate dissolves in excess of $\mathrm{KCN}$ to give:

$\mathrm{Al}_2 \mathrm{O}_3$ can be converted to anhydrous $\mathrm{AlCl}_3$ by heating: