1
MHT CET 2021 24th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the $$\mathrm{pH}$$ of $$0.005 \mathrm{~M} \mathrm{~H}_2 \mathrm{SO}_4$$ solution?

A
5.0
B
2.3
C
3.3
D
2.0
2
MHT CET 2021 24th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

The solubility product expression for $$\mathrm{Ca}_3\left(\mathrm{PO}_4\right)_2$$ is represented as

A
$$\mathrm{K}_{\mathrm{sp}}=\left[\mathrm{Ca}^{2+}\right]^2\left[\mathrm{PO}_4{ }^3\right]^2$$
B
$$\mathrm{K}_{\mathrm{sp}}=\left[\mathrm{Ca}^{2+}\right]^3\left[\mathrm{PO}_4{ }^3\right]^2$$
C
$$\mathrm{K}_{\mathrm{sp}}=\left[\mathrm{Ca}^{2+}\right]\left[\mathrm{PO}_4{ }^2\right]^3$$
D
$$\mathrm{K}_{\mathrm{sp}}=\left[\mathrm{Ca}^{2+}\right]\left[\mathrm{PO}_4{ }^2\right]$$
3
MHT CET 2021 24th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following is NOT a feature of $$\mathrm{S}_{\mathrm{N}} 1$$ mechanism?

A
Involve only backside attack of nucleophile.
B
In an optically active substrate the product formed is racemic.
C
Two step mechanism.
D
Heterolysis of $$\mathrm{C}-\mathrm{X}$$ bond forms carbocation intermediate.
4
MHT CET 2021 24th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

An element has $$\mathrm{BCC}$$ structure with edge length of unit cell $$600 \mathrm{~pm}$$. What is the atomic radius of element?

A
$$\sqrt{3} \times 150 \mathrm{~pm}$$
B
$$150 \mathrm{~pm}$$
C
$$300 \mathrm{~pm}$$
D
$$\frac{300}{\sqrt{2}} \mathrm{~pm}$$
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