1
JEE Advanced 2019 Paper 1 Offline
Numerical
+3
-0
At 143 K, the reaction of XeF4 with O2F2 produces a xenon compound Y. The total number of lone pair(s) of electrons present on the whole molecule of Y is .................
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2
JEE Advanced 2018 Paper 2 Offline
Numerical
+3
-0
The total number of compounds having at least one bridging oxo group among the molecules given below is _________.
$${N_2}{O_3},{N_2}{O_5},$$ $${P_4}{O_6},{P_4}{O_7},$$ $${H_4}{P_2}{O_5},{H_5}{P_3}{O_{10}},$$ $${H_2}{S_2}{O_3},{H_2}{S_2}{O_5}$$
$${N_2}{O_3},{N_2}{O_5},$$ $${P_4}{O_6},{P_4}{O_7},$$ $${H_4}{P_2}{O_5},{H_5}{P_3}{O_{10}},$$ $${H_2}{S_2}{O_3},{H_2}{S_2}{O_5}$$
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3
JEE Advanced 2015 Paper 2 Offline
Numerical
+3
-1
Three moles of B2H6 are completely reacted with methanol. The number of moles of boron containing product formed is ____________.
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4
JEE Advanced 2015 Paper 1 Offline
Numerical
+3
-1
The number of lone pairs of electrons in N2O3 is ___________.
Your input ____
Questions Asked from p-Block Elements (Numerical)
Number in Brackets after Paper Indicates No. of Questions
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