1
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

In sea grass, pollens are long, ribbon like and without exine exhibiting __________ pollination.

A
ornithophilous
B
hypohydrophilous
C
epihydrophilous
D
anaemophilous
2
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
Which element from following does NOT exhibit magnetic moment in +1 state?
A
Zn
B
Co
C
Cu
D
Mn
3
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

The entropy of vaporisation of benzene is $85 \mathrm{~J} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}$. When 117 g of benzene vaporises at its boiling point, what is entropy change of surrounding if process is at equilibrium?

A
$-85 \mathrm{~J} \mathrm{~K}^{-1}$
B
$-85 \times 1.5 \mathrm{~J} \mathrm{~K}^{-1}$
C
$85 \times 1.5 \mathrm{~J} \mathrm{~K}^{-1}$
D
$42.5 \mathrm{~J} \mathrm{~K}^{-1}$
4
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which from the following equations represents the relation between solubility ( $\mathrm{mol} \mathrm{L}^{-1}$ ) and solubility product for the salt $\mathrm{B}_2 \mathrm{~A}$ ?

A
$\mathrm{S}=\left(\frac{\mathrm{K}_{\mathrm{sp}}}{4}\right)^{1 / 3}$
B
$\quad \mathrm{S}=\left(4 \mathrm{~K}_{\mathrm{sp}}\right)^{1 / 3}$
C
$\quad \mathrm{S}=\left(\frac{\mathrm{K}_{\mathrm{sp}}}{3}\right)^{1 / 3}$
D
$\quad \mathrm{S}=\left(3 \mathrm{~K}_{\mathrm{sp}}\right)^{1 / 3}$
EXAM MAP