1
MHT CET 2019 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The oxidation state of sulphur in $\mathrm{H}_2 \mathrm{S}_2 \mathrm{O}_7$ is

A
+4
B
+6
C
+5
D
+7
2
MHT CET 2019 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The ionic charges of manganate and permanganate ion are respectively

A
$-2,-2$
B
$-1,-2$
C
$-2,-1$
D
$-1,-1$
3
MHT CET 2019 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

$$\begin{aligned} & \text { In the reaction, } \\ & \mathrm{MnO}_4^{-1}(a q)+\mathrm{Br}^{-1}(a q) \longrightarrow \mathrm{MnO}_2(s)+\mathrm{BrO}_3^{-1}(a q) \end{aligned}$$

,the correct change in oxidation number of the species involved is

A
$\mathrm{Br}^{+5}$ to $\mathrm{Br}^{-1}$
B
$\mathrm{Mn}^{+7}$ to $\mathrm{Mn}^{+2}$
C
$\mathrm{Mn}^{+7}$ to $\mathrm{Mn}^{+3}$
D
$\mathrm{Br}^{-1}$ to $\mathrm{Br}^{+5}$
MHT CET Subjects
EXAM MAP