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:
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:
For a good quality cement, the ratio of silica to alumina is found to be
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:
The hybridization and magnetic behaviour of cobalt ion in $[\mathrm{Co}({\mathrm{NH}}_{3}{)}_{6}{]}^{3+}$ complex, respectively is
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:
Correct order of spin only magnetic moment of the following complex ions is: (Given At. No. $\mathrm{Fe}:26,\mathrm{Co}:27$)
Formulae for Nessler's reagent is:
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
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
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 ${\mathrm{BCl}}_{2}^{\ominus }$
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
Decreasing order of the hydrogen bonding in following forms of water is correctly represented by A. Liquid water B. Ice C. Impure water
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
Formation of which complex, among the following, is not a confirmatory test of ${\mathrm{Pb}}^{2+}$ ions
The correct increasing order of the ionic radii is
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.
The sum of lone pairs present on the central atom of the interhalogen ${\mathrm{IF}}_{5}$ and ${\mathrm{IF}}_{7}$ is ______
In chromyl chloride, the number of d-electrons present on chromium is same as in (Given at no. of $\mathrm{Ti}:22,V:23,\mathrm{Cr}:24,\mathrm{Mn}:25,\mathrm{Fe}:26$)
The number of electrons involved in the reduction of permanganate to manganese dioxide in acidic medium is _____ .
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.
The number of bent-shaped molecule/s from the following is ______ ${N}_{3}^{-},{\mathrm{NO}}_{2}^{-},{I}_{3}^{-},{O}_{3},{\mathrm{SO}}_{2}$
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?
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