1
MHT CET 2019 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The resistance of $\frac{1}{10} M$ solution is $25 \times 10^3$ ohm. What is the molar conductivity of solution? (cell constant $=1.25 \mathrm{~cm}^{-1}$)

A
$3.5 \mathrm{~ohm}^{-1} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$
B
$5.00 \mathrm{~ohm}^{-1} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$
C
$2.50 \mathrm{~ohm}^{-1} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$
D
$2.00 \mathrm{~ohm}^{-1} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$
2
MHT CET 2019 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

If the van't Hoff-factor for $0.1 \mathrm{~M} \mathrm{~Ba}\left(\mathrm{NO}_3\right)_2$ solution is 2.74 , the degree of dissociation is

A
0.87
B
0.74
C
0.91
D
87
3
MHT CET 2019 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

What happens when ionic hydrides of $s$-block elements in molten state are electrolysed?

A
Hydride ion migrates at cathode
B
Dihydrogen is liberated at cathode
C
Hydride ion reforms metal hydride
D
Dihydrogen is liberated at anode
4
MHT CET 2019 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of following is not a property of red phosphorus?

A
Insoluble in carbon disulphide
B
It does not show chemiluminescence by action of air
C
It forms phosphine when treated with hot sodium hydroxide solution
D
It is non-poisonous
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