1
KCET 2026
MCQ (Single Correct Answer)
+1
-0
Which of the following represents de Broglie equation?
A
$\lambda = \dfrac{h}{\sqrt{mv}}$
B
$\lambda = \dfrac{h}{mv}$
C
$\lambda = \dfrac{h}{mp}$
D
$\lambda = \dfrac{\mu}{p}$
2
KCET 2026
MCQ (Single Correct Answer)
+1
-0
Match List-I with List-II:
List-I (Element-Atomic number)List-II (Position in periodic table)
(a)Ra – 88(i)$4^{th}$ period, $13^{th}$ group
(b)Ga – 31(ii)$6^{th}$ period, $6^{th}$ group
(c)W – 74(iii)$5^{th}$ period, $10^{th}$ group
(d)Pd – 46(iv)$7^{th}$ period, $2^{nd}$ group
Choose the correct answer from the options given below.
A
a-iv, b-i, c-ii, d–iii
B
a-i, b-ii, c-iii, d-iv
C
a-iv, b-ii, c-iii, d–i
D
a-iii, b-iv, c-i, d-ii
3
KCET 2026
MCQ (Single Correct Answer)
+1
-0
With respect to resonance structures of $\text{CO}_3^{2-}$ ion, which of the following statements are correct?
(a) All $\text{C}-\text{O}$ bonds in $\text{CO}_3^{2-}$ are equivalent
(b) There are three resonance structures possible for $\text{CO}_3^{2-}$ ion
(c) The position of carbon and oxygen should change in every resonance structure
(d) The formal charge on carbon atom is $-2$
A
a, b and c
B
a and b only
C
b and d only
D
a, b and d
4
KCET 2026
MCQ (Single Correct Answer)
+1
-0
In which of the following option/options, the order of arrangement does not agree with the variation of property indicated against it?
(a) $\text{BF}_3 > \text{NF}_3 > \text{NH}_3$ (Dipole moment)
(b) $\text{HgCl}_2 > \text{NH}_4^+ > \text{SF}_6$ (Bond angle)
(c) $\text{NH}_3 < \text{H}_2\text{O} < \text{HF}$ (Strength of intermolecular hydrogen bonding)
(d) $\text{H}-\text{I} > \text{H}-\text{Br} > \text{H}-\text{Cl}$ (Bond length)
A
a, b and c
B
a only
C
c and d only
D
d only