JEE Main 2021 (Online) 31st August Morning Shift | Hydrogen Question 35 | Chemistry

Given below are two statements :

Statement I : The process of producing syn-gas is called gasification of coal.

Statement II : The composition of syn-gas is CO + CO₂ + H₂ (1 : 1 : 1)

In the light of the above statements, choose the most appropriate answer from the options given below :

Statement I is false but Statement II is true

Statement I is true but Statement II is false

Both Statement I and Statement II are false

Both Statement I and Statement II are true

JEE Main 2021 (Online) 27th August Evening Shift

MCQ (Single Correct Answer)

-1

Out of Syllabus

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

Out of Syllabus

Deuterium resembles hydrogen in properties but :

reacts slower than hydrogen

reacts vigorously than hydrogen

reacts just as hydrogen

emits $$\beta$$⁺ particles

JEE Main 2021 (Online) 26th August Evening Shift

MCQ (Single Correct Answer)

-1

Out of Syllabus

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A) : Heavy water is used for the study of reaction mechanism.

Reason (R) : The rate of reaction for the cleavage of O - H bond is slower than that of O - D bond.

Choose the most appropriate answer from the options given below :

Both (A) and (R) are true but (R) is not the true explanation of (A).

Both (A) and (R) are true and (R) is the true explanation of (A).

(A) is false but (R) is true.

(A) is true but (R) is false.

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