1
MHT CET 2021 21th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the reagent used in following conversion.

MHT CET 2021 21th September Morning Shift Chemistry - Aldehyde and Ketone Question 84 English

A
$$\mathrm{CO}, \mathrm{HCl} / \mathrm{AlCl}_3$$
B
$$\mathrm{CrO}_2 \mathrm{Cl}_2 \cdot \mathrm{H}_3 \mathrm{O}^{+}$$
C
$$\mathrm{AlH}(\mathrm{i}-\mathrm{Bu})_2, \mathrm{H}_3 \mathrm{O}^{+}$$
D
$$\mathrm{CrO}_3,\left(\mathrm{CH}_3 \mathrm{CO}\right)_2 \mathrm{O}$$
2
MHT CET 2021 21th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of following statements is correct for physisorption?

A
It involves formation of covalent or ionic bonds.
B
It is favoured at high temperature.
C
It is reversible.
D
It is very specific.
3
MHT CET 2021 21th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following is NOT an extensive property?

A
Mass
B
Volume
C
Pressure
D
Internal energy
4
MHT CET 2021 21th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following statements is true for conductivity?

A
It is inversely proportional to resistivity.
B
It is inversely proportional to molar conductivity.
C
It is directly proportional to resistivity.
D
It is directly proportional to resistance.
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