JEE Main 2021 (Online) 1st September Evening Shift | Hydrogen Question 23 | Chemistry

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JEE Main 2021 (Online) 1st September Evening Shift

MCQ (Single Correct Answer)

-1

Hydrogen peroxide reacts with iodine in basic medium to give :

IO$$_4^ - $$

IO^$$-$$

I^$$-$$

IO$$_3^ - $$

JEE Main 2021 (Online) 31st August Evening Shift

MCQ (Single Correct Answer)

-1

Which one of the following statements is incorrect?

Atomic hydrogen is produced when H₂ molecules at a high temperature are irradiated with UV radiation.

At around 2000 K, the dissociation of dihydrogen into its atoms is nearly 8.1%

Bond dissociation enthalpy of H₂ is highest among diatomic gaseous molecules which contain a single bond.

Dihydrogen is produced on reacting zinc with HCl as well as NaOH_(aq).

JEE Main 2021 (Online) 27th August Evening Shift

MCQ (Single Correct Answer)

-1

The oxide that gives H₂O₂ most readily on treatment with H₂O is :

PbO₂

Na₂O₂

SnO₂

BaO₂ . 8H₂O

JEE Main 2021 (Online) 27th August Morning Shift

MCQ (Single Correct Answer)

-1

Deuterium resembles hydrogen in properties but :

reacts slower than hydrogen

reacts vigorously than hydrogen

reacts just as hydrogen

emits $$\beta$$⁺ particles

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