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JEE Main 2022 (Online) 25th June Evening Shift
Numerical
+4
-1
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Amongst BeF2, BF3, H2O, NH3, CCl4 and HCl, the number of molecules with non-zero net dipole moment is ____________.

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2
JEE Main 2021 (Online) 1st September Evening Shift
Numerical
+4
-1
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The spin-only magnetic moment value of $$B_2^ + $$ species is _____________ $$\times$$ 10$$-$$2 BM. (Nearest integer) [Given : $$\sqrt 3 $$ = 1.73]
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3
JEE Main 2021 (Online) 31st August Evening Shift
Numerical
+4
-1
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According to molecular orbital theory, the number of unpaired electron(s) in $$O_2^{2 - }$$ is :
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4
JEE Main 2021 (Online) 31st August Morning Shift
Numerical
+4
-1
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The number of hydrogen bonded water molecule(s) associated with stoichiometry CuSO4.5H2O is ____________.
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