This chapter is currently out of syllabus
1
JEE Main 2023 (Online) 31st January Evening Shift
Numerical
+4
-1
Out of Syllabus
The number of alkali metal(s), from $\mathrm{Li}, \mathrm{K}, \mathrm{Cs}$, Rb having ionization enthalpy greater than $400 \mathrm{~kJ}$ $\mathrm{mol}^{-1}$ and forming stable super oxide is _____________.
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2
JEE Main 2023 (Online) 29th January Evening Shift
Numerical
+4
-1
Out of Syllabus
On heating, $$\mathrm{LiNO_3}$$ gives how many compounds among the following __________
$$\mathrm{Li_2O,N_2,O_2,LiNO_2,NO_2}$$
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3
JEE Main 2022 (Online) 27th June Evening Shift
Numerical
+4
-1
Out of Syllabus
BeO reacts with HF in presence of ammonia to give [A] which on thermal decomposition produces [B] and ammonium fluoride. Oxidation state of Be in [A] is ____________.
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Questions Asked from s-Block Elements (Numerical)
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