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D and F Block Elements

24 questions · Chemistry · JEE Advanced

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JEE Advanced
Chemistry
D and F Block Elements

D and F Block Elements

24 questions · Chemistry · JEE Advanced

The pair(s) of diamagnetic ions is(are)2025 · Shift 1 · Q6 · Multiple correct
In the scheme given below, $X$ and $Y$ , respectively, are Includes diagram2023 · Shift 1 · Q4 · MCQ
The treatment of galena with $HNO_{3}$ produces a gas that is2022 · Shift 1 · Q12 · Multiple correct
The reaction of $Xe$ and $O_{2} F_{2}$ gives a $Xe$ compound $P$ . The number of moles of $HF$ produced by the complete hydrolysis of $P$ of $P$ is …2022 · Shift 2 · Q4 · Numerical
Thermal decomposition of $AgNO_{3}$ produces two paramagnetic gases. The total number of electrons present in the antibonding molecular orbitals of the gas that has the higher number of unpaired electrons is …2022 · Shift 2 · Q5 · Numerical
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% $H_{2} O_{2}$ , a blue alcohol layer was obtained. The blue colour is due to the formation of a…2020 · Shift 2 · Q4 · Numerical
Fusion of $M n O_{2}$ with $K O H$ in presence of $O_{2}$ produces a salt W. Alkaline solution of W upon electrolytic oxidation yields another salt X. The manganese containing ions present in W and X, respectively, are Y and Z. Correct…2019 · Shift 1 · Q11 · Multiple correct
The green colour produced in the borax bead test of a chromium (III) salt is due to2019 · Shift 1 · Q2 · MCQ
With reference to aqua-regia, choose the correct option(s).2019 · Shift 2 · Q5 · Multiple correct
Among the species given below, the total number of diamagnetic species is . $H$ atom, $N O_{2}$ monomer, $O_{2}^{-}$ (superoxide), dimeric sulphur in vapor phase, $M n_{3} O_{4},$ $(N H_{4})_{2} [F e C l_{4}], (N H_{4})_{2} [N i C l_{4}],$ …2018 · Shift 1 · Q7 · Numerical
The correct option(s) to distinguish nitrate salts of $M n^{2 +}$ and $C u^{2 +}$ taken separately is (are)2018 · Shift 2 · Q3 · Multiple correct
Which of the following combination will produce $H_{2}$ gas ?2017 · Shift 2 · Q12 · MCQ
The options(s) with only amphoteric oxides is (are)2017 · Shift 2 · Q9 · Multiple correct
The reagent(s) that can selectively precipitate $S^{2 -}$ from a mixture of $S^{2 -}$ and SO $_{4}^{2 -}$ in aqueous solution is (are) :2016 · Shift 1 · Q13 · Multiple correct
In the following reaction, sequence in aqueous solution, the species X, Y and Z, respectively, are $S_{2} O_{3}^{2 -} A g^{+} C l e a r so l u t i o n X A g^{+} W hi t e p r ec i p i t a t e Y W i t h t im e B l a c k p r ec i p i t a t e Z$ …2016 · Shift 2 · Q11 · MCQ
The correct statements about Cr $^{2 +}$ and Mn $^{3 +}$ is(are) (Atomic numbers of Cr = 24 and Mn = 25)2015 · Shift 1 · Q18 · Multiple correct
The pairs of ions where BOTH the ions are precipitated upon passing $H_{2} S$ gas in presence of dilute $H C l$ , is(are)2015 · Shift 2 · Q16 · Multiple correct
Upon heating with $C u_{2} S$ , the reagent(s) that give copper metal is/are2014 · Shift 1 · Q1 · Multiple correct
Among $P b S$ , $C u S$ , $H g S$ , $M n S$ , $A g_{2} S$ , $N i S$ , $C o S$ , $B i_{2} S_{3}$ and $S n S_{2}$ the total number of black coloured sulphides is2014 · Shift 1 · Q19 · Numerical
The pair(s) of reagents that yield paramagnetic species is/are2014 · Shift 1 · Q9 · Multiple correct
Upon treatment with ammoniacal $H_{2} S$ , the metal ion that precipitates as a sulphide is2013 · Shift 1 · Q15 · MCQ
The colour of light absorbed by an aqueous solution of $C u S O_{4}$ is2012 · Shift 1 · Q13 · MCQ
For the given aqueous reactions, which of the statement(s) is(are) true? Includes diagram2012 · Shift 2 · Q16 · Multiple correct
The oxidation number of Mn in the product of alkaline oxidative fusion of MnO $_{2}$ is .2009 · Shift 2 · Q16 · Numerical