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QJEE MAIN 2024
The strongest reducing agent amount the following is:
JEE MainChemistryEasy
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QJEE MAIN 2024
Choose the correct statements from the following A. All group 16 elements form oxides of general formula $\mathrm{EO}_2$ and $\mathrm{EO}_3$ where $\mathrm{E}=\mathrm{S}, \mathrm{Se}, \mathrm{Te}$ and...
JEE MainChemistryMedium
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QJEE MAIN 2024
Given below are two statements : Statement I: $\mathrm{S}_8$ solid undergoes disproportionation reaction under alkaline conditions to form $\mathrm{S}^{2-}$ and $\mathrm{S}_2 \mathrm{O}_3{ }^{2-}$ Statement II:...
JEE MainChemistryEasy
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QJEE MAIN 2024
Choose the correct statements about the hydrides of group 15 elements. A. The stability of the hydrides decreases in the order $\mathrm{NH}_3>\mathrm{PH}_3>\mathrm{AsH}_3>\mathrm{SbH}_3>\mathrm{BiH}_3$ B. The reducing...
JEE MainChemistryMedium
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QJEE MAIN 2024
Given below are two statements: Statement - I: Along the period, the chemical reactivity of the element gradually increases from group 1 to group 18....
JEE MainChemistryEasy
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QJEE MAIN 2024
Anomalous behaviour of oxygen is due to its
JEE MainChemistryEasy
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QJEE MAIN 2024
Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R. Assertion A : $\mathrm{H}_2 \mathrm{Te}$ is...
JEE MainChemistryEasy
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QJEE MAIN 2024
Identity the incorrect pair from the following:
JEE MainChemistryEasy
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QJEE MAIN 2024
Given below are two statements: Statement (I) : Oxygen being the first member of group 16 exhibits only -2 oxidation state. Statement (II) : Down...
JEE MainChemistryEasy
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QJEE MAIN 2023
The ratio of sigma and bonds present in pyrophosphoric acid is _______.
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