1
MHT CET 2023 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Find solubility of $$\mathrm{PbI}_2$$ if its solubility product is $$7.0 \times 10^{-9}$$.

A
$$1.21 \times 10^{-3} \mathrm{~mol} \mathrm{~L}^{-1}$$
B
$$3.228 \times 10^{-3} \mathrm{~mol} \mathrm{~L}^{-1}$$
C
$$2.831 \times 10^{-3} \mathrm{~mol} \mathrm{~L}^{-1}$$
D
$$1.811 \times 10^{-3} \mathrm{~mol} \mathrm{~L}^{-1}$$
2
MHT CET 2023 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify the product formed when vapours of 2-methylpropan-2-ol are passed over hot copper.

A
Propanone
B
2-Methylpropene
C
2-Methylpropanoic acid
D
Propanal
3
MHT CET 2023 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the rate constant of first order reaction if the concentration of the reactant decreases by $$90 \%$$ in 30 minutes.

A
$$7.7 \times 10^{-2}$$ minute $$^{-1}$$
B
$$4.2 \times 10^{-2}$$ minute $$^{-1}$$
C
$$2.1 \times 10^{-2}$$ minute $$^{-1}$$
D
$$3.5 \times 10^{-2}$$ minute $$^{-1}$$
4
MHT CET 2023 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

What different elements are found in baryte?

A
$$\mathrm{Ca}, \mathrm{S}, \mathrm{O}$$
B
$$\mathrm{Zn}, \mathrm{S}, \mathrm{O}$$
C
$$\mathrm{Ba}, \mathrm{S}, \mathrm{O}$$
D
$$\mathrm{Mg}, \mathrm{S}, \mathrm{H}, \mathrm{O}$$
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