1
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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2
JEE Advanced 2015 Paper 1 Offline
Numerical
+3
-1

The number of lone pairs of electrons in N2O3 is ___________.

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3
IIT-JEE 2011 Paper 2 Offline
Numerical
+3
-0

Among the following, the number of compounds that can react with PCl5 to given POCl3 is _____________.

O2, CO2, SO2, H2O, H2SO4, P4O10

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4
IIT-JEE 2010 Paper 1 Offline
Numerical
+3
-0

The value of $$n$$ in the molecular formula $$\mathrm{Be_n Al_2Si_6O_{18}}$$ is ___________.

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JEE Advanced Subjects