1
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calculate activation energy for a reaction if it's rate doubles when temperature is raised from $20^{\circ} \mathrm{C}$ to $35^{\circ} \mathrm{C}\left(\mathrm{R}=8.314 \mathrm{~J} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}\right)$

A
17.336 kJ
B
$\quad 26.900 \mathrm{~kJ}$
C
34.673 kJ
D
44.236 kJ
2
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the formal charge present on oxygen atom (numbered 1) in Lewis structure of $\mathrm{CO}_2$ ?

MHT CET (PCB) 2024 22th April Morning Shift Chemistry - Chemical Bonding and Molecular Structure Question 3 English
A
0
B
-1
C
+1
D
-2
3
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following is a monomer of natural rubber?

A
2-Methyl-1, 3-butadiene
B
1,1,2,2-Tetrafluoroethene
C
2-Chloro-1, 3 butadiene
D
1,3-butadiene
4
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the product obtained when alkyl alkanoate is hydrolysed with dilute HCl .

A
Alkanol and Alkanoic acid
B
Alkanal and Alkanone
C
Alkanone and Alkanoic acid
D
Alkanol and Alkanal
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