1
MHT CET 2021 23th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the reagent used in following conversion.

Pent -3 -enenitrile $$\xrightarrow{\mathrm{A}}$$ pent -3 -enal

A
$$\mathrm{AlH}(\mathrm{i}-\mathrm{Bu})_2 / \mathrm{H}_3 \mathrm{O}^{+}$$
B
$$\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7 / \mathrm{H}_2 \mathrm{SO}_4$$
C
$$\mathrm{H}_2 / \mathrm{Pd} . \mathrm{BaSO}_4$$
D
$$\mathrm{SnCl}_2 \cdot \mathrm{HCl}$$
2
MHT CET 2021 23th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following complexes is diamagnetic and square planar?

A
$$\left[\mathrm{CoF}_6\right]^{3-}$$
B
$$\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}$$
C
$$\left[\mathrm{NiCl}_4\right]^{2-}$$
D
$$\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}$$
3
MHT CET 2021 23th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the mass of $$33.6 \mathrm{~dm}^3$$ of methane gas at S.T.P.?

A
$$4.8 \times 10^{-2} \mathrm{~kg}$$
B
$$3.3 \times 10^{-2} \mathrm{~kg}$$
C
$$1.6 \times 10^{-2} \mathrm{~kg}$$
D
$$2.4 \times 10^{-2} \mathrm{~kg}$$
4
MHT CET 2021 23th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

An element with BCC structure has edge length of $$500 \mathrm{~pm}$$. If it's density is $$4 \mathrm{~g} \mathrm{~cm}^{-3}$$, find atomic mass of the element?

A
$$150 \mathrm{~g} \mathrm{~mol}^{-1}$$
B
$$100 \mathrm{~g} \mathrm{~mol}^{-1}$$
C
$$125 \mathrm{~g} \mathrm{~mol}^{-1}$$
D
$$250 \mathrm{~g} \mathrm{~mol}^{-1}$$
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