1
MHT CET 2024 11th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Cell constant of a conductivity cell is $0.9 \mathrm{~cm}^{-1}$ and resistance shown by $\mathrm{AgNO}_3$ solution is 6530 ohm. What is the conductivity of $\mathrm{AgNO}_3$ solution?

A
$725 \Omega^{-1} \mathrm{~cm}^{-1}$
B
$5870 \Omega^{-1} \mathrm{~cm}^{-1}$
C
$1.38 \times 10^{-4} \Omega^{-1} \mathrm{~cm}^{-1}$
D
$4.72 \times 10^{-4} \Omega^{-1} \mathrm{~cm}^{-1}$
2
MHT CET 2024 11th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following minerals contains radioactive element in it?

A
Cleveite
B
Carnallite
C
Chile salt petre
D
Baryte
3
MHT CET 2024 11th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The common name of Benzene-1, 2, 3-triol is

A
Phloroglucinol
B
Pyrogallol
C
Quinol
D
Catechol
4
MHT CET 2024 11th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Rate law for a reaction is $r=k[A]^2[B]$. If rate constant is $6.25 \mathrm{~mol}^{-2} \mathrm{dm}^6 \mathrm{~s}^{-1}$, what is the rate of reaction when $[\mathrm{A}]=1 \mathrm{~mol} \mathrm{dm}^{-3}$ and $[\mathrm{B}]=0.2 \mathrm{~mol} \mathrm{dm}^{-3}$ ?

A
$1.250 \mathrm{~mol} \mathrm{~dm}^{-3} \mathrm{sec}^{-1}$
B
$2.125 \mathrm{~mol} \mathrm{~dm}^{-3} \mathrm{sec}^{-1}$
C
$3.105 \mathrm{~mol} \mathrm{~dm}^{-3} \mathrm{sec}^{-1}$
D
$2.0 \times 10^{-2} \mathrm{~mol} \mathrm{~dm}^{-3} \mathrm{sec}^{-1}$
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