d and f Block Elements · Chemistry · JEE Advanced

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MCQ (Single Correct Answer)

JEE Advanced 2023 Paper 1 Online
In the scheme given below, $\mathbf{X}$ and $\mathbf{Y}$, respectively, are...
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The green colour produced in the borax bead test of a chromium (III) salt is due to
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Which of the following combination will produce $${H_2}$$ gas ?
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In the following reaction, sequence in aqueous solution, the species X, Y and Z, respectively, are $${S_2}O_3^{2 - }\buildrel {A{g^ + }} \over \longr...
JEE Advanced 2013 Paper 1 Offline
Upon treatment with ammoniacal H2S, the metal ion that precipitates as a sulphide is
IIT-JEE 2012 Paper 1 Offline
The colour of light absorbed by an aqueous solution of CuSO4 is

Numerical

JEE Advanced 2022 Paper 2 Online
The reaction of $\mathrm{Xe}$ and $\mathrm{O}_{2}{F}_{2}$ gives a $\mathrm{Xe}$ compound $\mathbf{P}$. The number of moles of $\mathrm{HF}$ produced b...
JEE Advanced 2022 Paper 2 Online
Thermal decomposition of $\mathrm{AgNO}_{3}$ produces two paramagnetic gases. The total number of electrons present in the antibonding molecular orbi...
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An acidified solution of potassium chromate was layered with an equal volume of amyl alcohol. When it was shaken after the addition of 1 mL of 3% H2O2...
JEE Advanced 2018 Paper 1 Offline
Among the species given below, the total number of diamagnetic species is _____________. $$H$$ atom, $$N{O_2}$$ monomer, $${O_2}^ - $$ (superoxide), d...
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Among PbS, CuS, HgS, MnS, Ag2S, NiS, CoS, Bi2S3 nd SnS2 the total number of black coloured sulphides is
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The oxidation number of Mn in the product of alkaline oxidative fusion of MnO$$_2$$ is ___________.

MCQ (More than One Correct Answer)

JEE Advanced 2022 Paper 1 Online
The treatment of galena with $\mathrm{HNO}_{3}$ produces a gas that is
JEE Advanced 2019 Paper 2 Offline
With reference to aqua-regia, choose the correct option(s).
JEE Advanced 2019 Paper 1 Offline
Fusion of MnO2 with KOH in presence of O2 produces a salt W. Alkaline solution of W upon electrolytic oxidation yields another salt X. The manganese c...
JEE Advanced 2018 Paper 2 Offline
The correct option(s) to distinguish nitrate salts of $$M{n^{2 + }}$$ and $$C{u^{2 + }}$$ taken separately is (are)
JEE Advanced 2017 Paper 2 Offline
The options(s) with only amphoteric oxides is (are)
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The reagent(s) that can selectively precipitate S2- from a mixture of S2- and SO42- in aqueous solution is (are) :...
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The pairs of ions where BOTH the ions are precipitated upon passing H2S gas in presence of dilute HCl, is(are)
JEE Advanced 2015 Paper 1 Offline
The correct statements about Cr2+ and Mn3+ is(are) (Atomic numbers of Cr = 24 and Mn = 25)
JEE Advanced 2014 Paper 1 Offline
Upon heating with Cu2S, the reagent(s) that give copper metal is/are
JEE Advanced 2014 Paper 1 Offline
The pair(s) of reagents that yield paramagnetic species is/are
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For the given aqueous reactions, which of the statement(s) is(are) true? ...
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