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d and f Block Elements

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Q JEE MAIN 2020
The incorrect statement(s) among (a) - (c) is (are)
(a) W(VI) is more stable than Cr(VI).
(b) In the presence of HCl, permanganate titrations provide...
JEE Main Physics Medium
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Q JEE MAIN 2019
$$ \begin{aligned} & \underline{\mathrm{A}} \xrightarrow{4 \mathrm{KOH}, \mathrm{O}_2} \underset{(\text { Green })}{2 \mathrm{~B}}+2 \mathrm{H}_2 \mathrm{O} \\ & \underline{3 \mathrm{~B}} \xrightarrow{4 \mathrm{HCl}} \underset{\text { (Purple) }}{2 \mathrm{C}}+\mathrm{MnO}_2+2...
JEE Main Chemistry Easy
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Q JEE MAIN 2020
White phosphorus on reaction with concentrated NaOH solution in an inert atmosphere of CO2 gives phosphine and compound (X). (X) on acidification with HCl gives...
JEE Main Chemistry Easy
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Q JEE MAIN 2019
The maximum number of possible oxidation states of actinoides are shown by
JEE Main Chemistry Easy
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Q JEE MAIN 2021
In which one of the following sets all species show disproportionation reaction ?
JEE Main Chemistry Easy
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Q JEE MAIN 2021
The correct structures of A and B formed in the following reactions are
JEE Main Chemistry Easy
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Q JEE MAIN 2021
Potassium permanganate on heating at 513 K gives a product which is
JEE Main Chemistry Easy
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Q JEE MAIN 2021
Match List-I with List-II :
JEE Main Chemistry Easy
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Q JEE MAIN 2021
The incorrect statement is:
JEE Main Chemistry Medium
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Q JEE MAIN 2019
The difference in the number of unpaired electrons of a metal ion in its high spin and low-spin octahedral complexes is two. The metal ion...
JEE Main Chemistry Medium
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