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1
JEE Main 2022 (Online) 26th June Morning Shift
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-1
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Consider the following reaction:

$$2HSO_4^ - (aq)\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{(2)\,Hydrolysis}^{(1)\,Electrolysis}} 2HSO_4^ - + 2{H^ + } + A$$

The dihedral angle in product A in its solid phase at 110 K is :

A
104$$^\circ$$
B
111.5$$^\circ$$
C
90.2$$^\circ$$
D
111.0$$^\circ$$
2
JEE Main 2022 (Online) 24th June Morning Shift
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The highest industrial consumption of molecular hydrogen is to produce compounds of element :

A
Carbon
B
Nitrogen
C
Oxygen
D
Chlorine
3
JEE Main 2021 (Online) 1st September Evening Shift
MCQ (Single Correct Answer)
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Hydrogen peroxide reacts with iodine in basic medium to give :
A
IO$$_4^ - $$
B
IO$$-$$
C
I$$-$$
D
IO$$_3^ - $$
4
JEE Main 2021 (Online) 31st August Evening Shift
MCQ (Single Correct Answer)
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Which one of the following statements is incorrect?
A
Atomic hydrogen is produced when H2 molecules at a high temperature are irradiated with UV radiation.
B
At around 2000 K, the dissociation of dihydrogen into its atoms is nearly 8.1%
C
Bond dissociation enthalpy of H2 is highest among diatomic gaseous molecules which contain a single bond.
D
Dihydrogen is produced on reacting zinc with HCl as well as NaOH(aq).
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