1
KCET 2026
MCQ (Single Correct Answer)
+1
-0
$a\text{C}_2\text{O}_4^{2-} + b\text{MnO}_4^- + c\text{H}^+ \rightarrow x\text{Mn}^{2+} + y\text{H}_2\text{O} + z\text{CO}_2$
$a$ and $x$ respectively are
A
$5, 2$
B
$4, 1$
C
$3, 2$
D
$4, 2$
2
KCET 2026
MCQ (Single Correct Answer)
+1
-0
Given below are two statements.
Statement-I: In $\text{H}_2\text{O}_2$, each oxygen atom is assigned an oxidation number of $-1$, in $\text{RbO}_2$ each oxygen atom is assigned an oxidation number of $-\dfrac{1}{2}$.
Statement-II: Representation of $\text{HAuCl}_4$ and $\text{MnO}_2$ in stock notation is $\text{HAu(III)Cl}_4$ and $\text{Mn(II)O}_2$, respectively.
Examine the above statements and choose the correct answer.
A
Both Statement I and Statement II are correct
B
Both Statement I and Statement II are incorrect
C
Statement I is correct but Statement II is incorrect
D
Statement I is incorrect but Statement II is correct
3
KCET 2026
MCQ (Single Correct Answer)
+1
-0
Statement I: Staggered conformation of ethane is more stable than the eclipsed conformation.
Statement II: The torsional strain in staggered conformation is more.
Read the above statements and choose the correct answer from the options given below.
A
Both Statement I and Statement II are false
B
Both Statement I and Statement II are true
C
Statement I is true but Statement II is false
D
Statement I is false but Statement II is true
4
KCET 2026
MCQ (Single Correct Answer)
+1
-0
Carboxylic acids are more acidic than phenols because
A
Formation of dimers
B
Intermolecular hydrogen bonding
C
More covalent nature
D
More resonance stabilisation of their conjugate base