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QJEE MAIN 2021
The type of hybridisation and magnetic property of the complex $\left[\mathrm{MnCl}_6\right]^{3-}$, respectively, are :
JEE MainChemistryEasy
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QJEE MAIN 2019
The calculated spin-only magnetic moments (BM) of the anionic and cationic species of $\left[\mathrm{Fe}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]_2$ and $\left[\mathrm{Fe}(\mathrm{CN})_6\right]$, respectively, are:
JEE MainChemistryEasy
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QJEE MAIN 2019
The compound that inhibits the growth of tumors is
JEE MainChemistryEasy
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QJEE MAIN 2021
Copper reduces $\mathrm{NO}_3^{-}$into NO and $\mathrm{NO}_2$ depending upon the concentration of $\mathrm{HNO}_3$ in solution. (Assuming fixed $\left[\mathrm{Cu}^{2+}\right]$ and $\mathrm{P}_{\mathrm{NO}}=\mathrm{P}_{\mathrm{NO} 2}$ ), the $\mathrm{HNO}_3$ concentration at...
JEE MainChemistryHard
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QJEE-MAIN 2021
Match List-I with List-II :
JEE MainChemistryEasy
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QJEE MAIN 2021
The spin only magnetic moment of a divalent ion in aqueous solution (atomic number 29) is _______ BM.
JEE MainChemistryEasy
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QJEE MAIN 2021
$\left[\mathrm{Ti}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{3+}$ absorbs light of wavelength 498 nm during a $\mathrm{d}-\mathrm{d}$ transition. The octahedral splitting energy for the avove complex is $\_\_\_\_$ $\times 10^{-19} \mathrm{~J}$....
JEE MainChemistryEasy
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QJEE Main 2019
The highest value of the calculated spin only magnetic moment (in BM) among all the transition metal complexes is
JEE MainChemistryEasy
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QJEE Main 2019
Two complexes $\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right] \mathrm{Cl}_3(\mathrm{~A})$ and $\left[\mathrm{Cr}\left(\mathrm{NH}_3\right)_6\right]_3(\mathrm{~B})$ are violet and yellow coloured, respectively. The incorrect statement regarding them is
JEE MainChemistryMedium
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QJEE MAIN 2021
The total number of unpaired electrons present in the complex $\mathrm{K}_3\left[\mathrm{Cr}(\text { oxalate })_3\right]$ is $\_\_\_\_$ .
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