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QJEE MAIN 2019
Among the following molecules/ions,
$$
\mathrm{C}_2^{2-}, \mathrm{N}_2^{2-}, \mathrm{O}_2^{2-}, \mathrm{O}_2
$$
Which one is diamagnetic and has the shortest bond length?
JEE MainChemistryEasy
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QJEE MAIN 2019
The correct statement about $\mathrm{ICl}_5$ and $\mathrm{ICl}_4^{-}$is :
JEE MainChemistryEasy
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QJEE MAIN 2021
The number of species below that have two lone pairs of electrons in their central atom is $\_\_\_\_$ (Round off to the Nearest integer) ...
JEE MainChemistryEasy
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QJEE-MAIN 2021
Amongst the following, the linear species is
JEE MainChemistryEasy
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QJEE MAIN 2021
The secondary valency and the number of hydrogen bonded water molecule(s) in $\mathrm{CuSO}_4 .5 \mathrm{H}_2 \mathrm{O}$, respectively, are :
JEE MainChemistryHard
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QJEE-MAIN 2021
The set that represents the pair of neutral oxides of nitrogen is :
JEE MainChemistryEasy
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QJEE MAIN 2021
The oxidation states of nitrogen in NO, NO2, N2O and $\mathrm{NO}_3^{-}$are in the order of :
JEE MainChemistryEasy
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QJEE Main 2019
According to molecular orbital theory, which of the following is true with respect to $\mathrm{Li}_2{ }^{+}$and $\mathrm{Li}_2{ }^{-}$?
JEE MainChemistryEasy
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QJEE-Main-2021_
The correct order of conductivity of ions in water is:
JEE MainChemistryMedium
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QJEE MAIN 2021
The correct shape and I-I-I bond angles respectively in $\mathrm{I}_3^{-}$ion are :-
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