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Inorganic Chemistry PYQ — Page 39

JEE Main Chemistry — Inorganic Chemistry previous year questions with solutions.

All Inorganic Chemistry Questions (1476)

The compound/s which will show significant intermolecular $H$-bonding is/are : ![JEE Main 2021 Chemistry, Chemical Bonding and Molecular Structure — question figure](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/615f0e999476412f48314daf/Chemistry/images/Chemical_Bonding_and_Molecular_Structure/648b5a6b417cc3fb48d67593/question_1__q_648b5a6b417cc3fb48d67593__cdn-question-pool.getmarks.app__ff944fa7-b3a1-4c48-96d9-181fe7420bed-8e72dbfd-89af-4744-9f67__9e23bf2b32_final_ppt_sync.png)

2021
medium
mcq

Spin only magnetic moment of an octahedral complex of ${\mathrm{Fe}}^{2+}$ in the presence of a strong field ligand in BM is:

2021
medium
mcq

In which of the following pairs, the outermost electronic configuration will be the same?

2021
easy
mcq

An aqueous solution of ${\mathrm{NiCl}}_{2}$ was heated with excess sodium cyanide in presence of strong oxidizing agent to form ${[\mathrm{Ni}(\mathrm{CN}{)}_{6}]}^{2-}.$ The total change in number of unpaired electrons on metal centre is ___________.

2021
medium
integer

Given below are two statements:Statement I : $\alpha$ and $\beta$ forms of sulphur can change reversibly between themselves with slow heating or slow cooling. Statement II : At room temperature the stable crystalline form of sulphur is monoclinic sulphur. In the light of the above statements, choose the correct answer from the options given below:

2021
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mcq

Number of electrons present in $4f$ orbital of ${\mathrm{Ho}}^{3+}$ ion is ________ (Given Atomic No. of Ho =67)

2021
easy
integer

Which one of the following when dissolved in water gives coloured solution in nitrogen atmosphere?

2021
easy
mcq

The correct order of electron gain enthalpy is:

2021
easy
mcq

The number of $S=O$ bonds present in sulphurous acid, peroxodisulphuric acid and pyrosulphuric acid, respectively are :

2021
easy
mcq

The number of stereo isomers possible for ${[\mathrm{Co}{(\mathrm{ox})}_{2}(\mathrm{Br})({\mathrm{NH}}_{3})]}^{2-}$ is __________. [$\mathrm{ox}=$ oxalate]

2021
medium
integer

The spin only magnetic moment of a divalent ion in aqueous solution (atomic number $29$) is ___ $\mathrm{BM}$.

2021
easy
integer

Match List-$I$ with List-$\mathrm{II}$. <table class="pyq-table"><tbody><tr><td colspan="2" rowspan="1">List-$I$</td><td colspan="2" rowspan="1">List-$\mathrm{II}$</td></tr><tr><td colspan="2" rowspan="1">(Molecule)</td><td colspan="2" rowspan="1">(Bond order)</td></tr><tr><td>(a)</td><td>${\mathrm{Ne}}_{2}$</td><td>(i)</td><td>$1$</td></tr><tr><td>(b)</td><td>${N}_{2}$</td><td>(ii)</td><td>$2$</td></tr><tr><td>(c)</td><td>${F}_{2}$</td><td>(iii)</td><td>$0$</td></tr><tr><td>(d)</td><td>${O}_{2}$</td><td>(iv)</td><td>$3$</td></tr></tbody></table>Choose the correct answer from the options given below:

2021
easy
mcq

The ratio of number of water molecules in Mohr's salt and potash alum is $\times {10}^{-1}.$ (Integer answer)

2021
medium
integer

Arrange the following Cobalt complexes in the order of increasing Crystal Field Stabilization Energy (CFSE) value. Complexes: $\begin{matrix}\underset{A}{{[{\mathrm{CoF}}_{6}]}^{3-}}, & \underset{B}{{[\mathrm{Co}{({H}_{2}O)}_{6}]}^{2+}}, & \underset{C}{{[\mathrm{Co}{({\mathrm{NH}}_{3})}_{6}]}^{3+}}\text{ and }\underset{D}{{[\mathrm{Co}(\mathrm{en}{)}_{3}]}^{3+}} & \end{matrix}$ Choose the correct option :

2021
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mcq

Chalcogen group elements are :

2021
easy
mcq

The correct structures of trans $-[\mathrm{NiBr}({\mathrm{PPh}}_{3})22]$ and meridional $-[\mathrm{Co}{({\mathrm{NH}}_{3})}_{3}{({\mathrm{NO}}_{2})}_{3}]$ respectively, are:

2021
easy
mcq

The absolute value of the electron gain enthalpy of halogens satisfies:

2021
medium
mcq

${\mathrm{AB}}_{3}$ is an interhalogen T-shaped molecule. The number of lone pairs of electrons on $A$ is (Integer answer)

2021
easy
integer

Which one of the following group-$15$ hydride is the strongest reducing agent ?

2021
medium
mcq

The bond order and magnetic behaviour of ${O}_{2}^{-}$ ion are, respectively :

2021
easy
mcq

The correct order of ionic radii for the ions, ${P}^{3-},{S}^{2-},{\mathrm{Ca}}^{2+},{K}^{+},{\mathrm{Cl}}^{-}$ is :

2021
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mcq

The total number of electrons in all bonding molecular orbitals of ${O}_{2}^{2-}$ is ......... (Round off to the nearest integer)

2021
medium
integer

The incorrect statement among the following is:

2021
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The additon of dilute $\mathrm{NaOH}$ to ${\mathrm{Cr}}^{3+}$ salt solution will give :

2021
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