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1
MHT CET 2024 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the value of $x$ and $y$ in order to balance following redox reaction?

$$\mathrm{xCuO}+\mathrm{yNH}_3 \longrightarrow \mathrm{xCu}+\mathrm{N}_2+\mathrm{xH}_2 \mathrm{O}$$

A
$\mathrm{x}=3, \mathrm{y}=2$
B
$\mathrm{x}=1, \mathrm{y}=2$
C
$\mathrm{x=2, y=3}$
D
$\mathrm{x=2, y=3}$
2
MHT CET 2024 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the oxidation state of S in $\mathrm{SO}_4^{2-}$ ?

A
$+6$
B
$-6$
C
$+2$
D
$+3$
3
MHT CET 2024 4th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which compound from following contains iodine with highest oxidation number?

A
$\mathrm{KIO}_3$ (B)
B
$\mathrm{KI}$
C
$\mathrm{IF}_5$
D
$\mathrm{KIO}_4$
4
MHT CET 2024 3rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

In which of the following compounds chlorine has highest oxidation state?

A
$\mathrm{KCl}$
B
$\mathrm{HClO}$
C
$\mathrm{HClO}_2$
D
$\mathrm{HClO}_4$
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