1
KCET 2019
MCQ (Single Correct Answer)
+1
-0

Which of the following statement is correct?

A
$$\mathrm{Cl}_2$$ oxidises $$\mathrm{H}_2 \mathrm{O}$$ to $$\mathrm{O}_2$$ but $$\mathrm{F}_2$$ does not
B
$$\mathrm{Cl}_2$$ is a stronger oxidising agent than $$\mathrm{F}_2$$
C
$$\mathrm{F}_2$$ oxidises $$\mathrm{H}_2 \mathrm{O}$$ to $$\mathrm{O}_2$$ but $$\mathrm{Cl}_2$$ does not
D
Fluoride is a good oxidising agent
2
KCET 2019
MCQ (Single Correct Answer)
+1
-0

In the reaction of gold with aquaregia, oxidation state of nitrogen changes from

A
+4 to +2
B
+6 to +4
C
+5 to +2
D
+3 to +1
3
KCET 2018
MCQ (Single Correct Answer)
+1
-0

    For the redox reaction

    $$ \begin{aligned} x \mathrm{MnO}_4^{-}+y \mathrm{H}_2 \mathrm{C}_2 \mathrm{O}_4+ & z \mathrm{H}^{+} \longrightarrow \\ & m \mathrm{Mn}^{2+}+n \mathrm{CO}_2+p \mathrm{H}_2 \mathrm{O} . \end{aligned} $$

    The values of $x, y, m$ and $n$ are

A
$10,2,5,2$
B
$2,5,2,10$
C
$6,4,2,4$
D
$3,5,2,10$
4
KCET 2018
MCQ (Single Correct Answer)
+1
-0
$\mathrm{KMnO}_4$ acts as an oxidising agent in alkaline medium. When alkaline $\mathrm{KMnO}_4$ is treated with KI , iodide ion is oxidised to
A
$\mathrm{I}_2$
B
$1 \mathrm{O}^{-}$
C
$\mathrm{IO}_3^{-}$
D
$\mathrm{IO}_4^{-}$
KCET Subjects
EXAM MAP