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JEE Main 2021 (Online) 18th March Evening Shift
Numerical
+4
-1
A xenon compound 'A' upon partial hydrolysis gives XeO2F2. The number of lone pair of electrons present in compound A is _________. (Round off to the Nearest Integer)
2
JEE Main 2020 (Online) 7th January Evening Slot
Numerical
+4
-0
Consider the following reactions :

$$NaCl{\rm{ }} + {\rm{ }}{K_2}C{r_2}{O_7} + \mathop {{H_2}S{O_4}}\limits_{(conc.)}$$$$\to$$ (A) + side products

(A) + NaOH $$\to$$ (B) + Side products

$$\left( B \right){\rm{ }} + \mathop {{H_2}S{O_4}}\limits_{(dilute)} + {\rm{ }}{H_2}{O_2}$$ $$\to$$ (C) + Side products

The sum of the total number of atoms in one molecule each of (A) and (B) and (C) is