1
JEE Main 2021 (Online) 17th March Evening Shift
Numerical
+4
-1
Change Language
In the ground state of atomic Fe(Z = 26), the spin-only magnetic moment is ____________ $$\times$$ 10$$-$$1 BM. (Round off to the Nearest Integer). [Given : $$\sqrt 3 $$ = 1.73, $$\sqrt 2 $$ = 1.41 ]
Your input ____
2
JEE Main 2021 (Online) 26th February Evening Shift
Numerical
+4
-1
Change Language
In mildly alkaline medium, thiosulphate ion is oxidized by $$MnO_4^ - $$ to "A". The oxidation state of sulphur in "A" is __________.
Your input ____
3
JEE Main 2020 (Online) 9th January Evening Slot
Numerical
+4
-0
Change Language
The sum of the total number of bonds between chromium and oxygen atoms in chromate and dichromate ions is ____________.
Your input ____
4
JEE Main 2020 (Online) 7th January Evening Slot
Numerical
+4
-0
Change Language
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
Your input ____
JEE Main Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
CBSE
Class 12