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QJEE MAIN 2023
Given below are two statements: Statement I: Boron is extremely hard indicating its high lattice energy Statement II: Boron has highest melting and boiling point...
JEE MainChemistryMedium
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QJEE MAIN 2023
Given below are two statements: Statement I: During Electrolytic refining, the pure metal is made to act as anode and its impure metallic form is...
JEE MainChemistryMedium
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QJEE-Main_2023
The Lewis acid character of boron tri halides follows the order:
JEE MainChemistryEasy
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QJEE MAIN 2023
The correct order of bond enthalpy ( $\mathrm{kJ} \mathrm{mol}^{-1}$ ) is :
JEE MainChemistryEasy
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QJEE MAIN 2023
Sum of $\pi$-bonds present in peroxodisulphuric acid and pyrosulphuric acid is
JEE MainChemistryEasy
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QJEE MAIN 2023
Given below are two statements: [JEE (Main) 11-4-23_S1] [PB (N&O)_E] Ea$...
JEE MainChemistryEasy
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QJEE MAIN 2023
For compound having the formula GaAICI4, the correct option from the following is
JEE MainChemistryMedium
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QJEE MAIN 2023
Given below are two statements: Statements: $\mathrm{SbCl}_5$ is more covalent than $\mathrm{SbCl}_3$ Statements: The higher oxides of halogens also tend to be more stable...
JEE MainChemistryMedium
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QJEE MAIN 2023
The number of $\mathrm{P}-\mathrm{O}-\mathrm{P}$ bonds in $\mathrm{H}_4 \mathrm{P}_2 \mathrm{O}_7,\left(\mathrm{HPO}_3\right)_3$ and $\mathrm{P}_4 \mathrm{O}_{10}$ are respectively.
JEE MainChemistryEasy
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QJEE MAIN 2023
On complete combustion, 0.492 g of an organic compound gave 0.792 g of $CO2$. The % of carbon in the organic compound is_____. (Nearest integer)
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