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Inorganic Chemistry PYQ — Page 26

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

All Inorganic Chemistry Questions (1476)

Match List - I with List - II <table class="pyq-table"><tbody><tr><td colspan="2" rowspan="1">LIST-I (Atomic number)</td><td colspan="2" rowspan="1">LIST-II (Block of periodic table)</td></tr><tr><td>(A)</td><td>$37$</td><td>I.</td><td>$p$-block</td></tr><tr><td>(B)</td><td>$78$</td><td>II.</td><td>$d$-block</td></tr><tr><td>(C)</td><td>$52$</td><td>III.</td><td>$f$-block</td></tr><tr><td>(D)</td><td>$65$</td><td>IV.</td><td>$s$-block</td></tr></tbody></table>Choose the correct answer from the options given below:

2023
easy
mcq

Given below are two statements: Statement I : Nickel is being used as the catalyst for producing syn gas and edible fats. Statement II : Silicon forms both electron rich and electron deficient hydrides. In the light of the above statements, choose the most appropriate answer from the options given below:

2023
medium
mcq

For a good quality cement, the ratio of silica to alumina is found to be

2023
medium
mcq

Given below are two statements : Statement I : Upon heating a borax bead dipped in cupric sulphate in a luminous flame, the colour of the bead becomes green. Statement II : The green colour observed is due to the formation of copper(I) metaborate In the light of the above statements, choose the most appropriate answer from the options given below:

2023
hard
mcq

The hybridization and magnetic behaviour of cobalt ion in $[\mathrm{Co}({\mathrm{NH}}_{3}{)}_{6}{]}^{3+}$ complex, respectively is

2023
medium
mcq

Given below are two statements, one is labelled as Assertion $A$ and the other is labelled as Reasom $R$. Assertion $A$: A solution of the product obtained by heating a mole of glycine with a mole of chlorine in presence of red phosphorous generates chiral carbon atom. Reason $R$: A molecule with $2$ chiral carbons is always optically active. In the light of above statements, chose the correct answer from the options given below:

2023
hard
mcq

Correct order of spin only magnetic moment of the following complex ions is: (Given At. No. $\mathrm{Fe}:26,\mathrm{Co}:27$)

2023
medium
mcq

Formulae for Nessler's reagent is:

2023
easy
mcq

The number of following factors which affect the percent covalent character of the ionic bond is______ A) Polarising power of cation B) Extent of distortion of anion C) Polarisability of the anion D) Polarising power of anion

2023
medium
integer

During the borax bead test with ${\mathrm{CuSO}}_{4}$, a blue green colour of the bead was observed in oxidising flame due to the formation of

2023
easy
mcq

Amongst the following, the number of species having the linear shape is ${\mathrm{XeF}}_{2},{I}_{3}^{+},{C}_{3}{O}_{2},{I}_{3}^{-},{\mathrm{CO}}_{2},{\mathrm{SO}}_{2},{\mathrm{BeCl}}_{2}$ and ${\mathrm{BCl}}_{2}^{\ominus }$

2023
easy
integer

When a solution of mixture having two inorganic salts was treated with freshly prepared ferrous sulphate in acidic medium, a dark brown ring was formed whereas on treatment with neutral ${\mathrm{FeCl}}_{3}$, it gave deep red colour which disappeared on boiling and a brown red ppt was formed. The mixture contains

2023
medium
mcq

Decreasing order of the hydrogen bonding in following forms of water is correctly represented by A. Liquid water B. Ice C. Impure water

2023
easy
mcq

One mole of ${P}_{4}$ reacts with $8$ moles of ${\mathrm{SOCl}}_{2}$ to give $4$ moles of $A$, $x$ mole of ${\mathrm{SO}}_{2}$ and $2$ moles of $B$. $A,B$ and $x$ respectively are

2023
medium
mcq

Formation of which complex, among the following, is not a confirmatory test of ${\mathrm{Pb}}^{2+}$ ions

2023
hard
mcq

The correct increasing order of the ionic radii is

2023
easy
mcq

The mismatched combinations are A. Chlorophyll$–\mathrm{Co}$ B. Water hardness$–\mathrm{EDTA}$ C. Photography$-{[\mathrm{Ag}(\mathrm{CN}{)}_{2}]}^{-}$ D. Wilkinson catalyst$-[{({\mathrm{Ph}}_{3}P)}_{3}\mathrm{RhCl}]$ E. Chelating ligand$–D-$Penicillamine Choose the correct answer from the options given below.

2023
easy
mcq

The sum of lone pairs present on the central atom of the interhalogen ${\mathrm{IF}}_{5}$ and ${\mathrm{IF}}_{7}$ is ______

2023
easy
integer

In chromyl chloride, the number of d-electrons present on chromium is same as in (Given at no. of $\mathrm{Ti}:22,V:23,\mathrm{Cr}:24,\mathrm{Mn}:25,\mathrm{Fe}:26$)

2023
medium
mcq

The number of electrons involved in the reduction of permanganate to manganese dioxide in acidic medium is _____ .

2023
medium
integer

The set of correct statements is: (i) Manganese exhibits $+7$ oxidation state in its oxide. (ii) Ruthenium and Osmium exhibit $+8$ oxidation in their oxides. (iii) $\mathrm{Sc}$ shows $+4$ oxidation state which is oxidizing in nature. (iv) $\mathrm{Cr}$ shows oxidising nature in $+6$ oxidation state.

2023
easy
mcq

The number of bent-shaped molecule/s from the following is ______ ${N}_{3}^{-},{\mathrm{NO}}_{2}^{-},{I}_{3}^{-},{O}_{3},{\mathrm{SO}}_{2}$

2023
medium
integer

In the wet tests for identification of various cations by precipitation, which transition element cation doesn't belong to group IV in qualitative inorganic analysis?

2023
medium
mcq

Total number of moles of AgCl precipitated on addition of excess of ${\mathrm{AgNO}}_{3}$ to one mole each of the following complexes $[\mathrm{Co}{({\mathrm{NH}}_{3})}_{4}{\mathrm{Cl}}_{2}]\mathrm{Cl}$, $[\mathrm{Ni}{({H}_{2}O)}_{6}]{\mathrm{Cl}}_{2},[\mathrm{Pt}{({\mathrm{NH}}_{3})}_{2}{\mathrm{Cl}}_{2}]$ and $[\mathrm{Pd}{({\mathrm{NH}}_{3})}_{4}]{\mathrm{Cl}}_{2}$ is

2023
easy
integer