1
JEE Main 2023 (Online) 1st February Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

$$\mathrm{O}-\mathrm{O}$$ bond length in $$\mathrm{H}_{2} \mathrm{O}_{2}$$ is $$\underline{\mathrm{X}}$$ than the $$\mathrm{O}-\mathrm{O}$$ bond length in $$\mathrm{F}_{2} \mathrm{O}_{2}$$. The $$\mathrm{O}-\mathrm{H}$$ bond length in $$\mathrm{H}_{2} \mathrm{O}_{2}$$ is $$\underline{Y}$$ than that of the $$\mathrm{O}-\mathrm{F}$$ bond in $$\mathrm{F}_{2} \mathrm{O}_{2}$$.

Choose the correct option for $$\underline{X}$$ and $$\underline{Y}$$ from those given below :

A
$$\mathrm{X}$$ - shorter, $$\mathrm{Y}$$ - longer
B
$$\mathrm{X}$$ - longer, $$\mathrm{Y}$$ - shorter
C
$$\mathrm{X}$$ - shorter, $$\mathrm{Y}$$ - shorter
D
$$\mathrm{X}$$ - longer, $$\mathrm{Y}$$ - longer
2
JEE Main 2023 (Online) 1st February Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

All structures given below are of vitamin C. Most stable of them is :

A
JEE Main 2023 (Online) 1st February Evening Shift Chemistry - Biomolecules Question 34 English Option 1
B
JEE Main 2023 (Online) 1st February Evening Shift Chemistry - Biomolecules Question 34 English Option 2
C
JEE Main 2023 (Online) 1st February Evening Shift Chemistry - Biomolecules Question 34 English Option 3
D
JEE Main 2023 (Online) 1st February Evening Shift Chemistry - Biomolecules Question 34 English Option 4
3
JEE Main 2023 (Online) 1st February Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

The industrial activity held least responsible for global warming is :

A
manufacturing of cement
B
Electricity generation in thermal power plants
C
steel manufacturing
D
Industrial production of urea
4
JEE Main 2023 (Online) 1st February Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

'$$\mathrm{X}$$' is :

JEE Main 2023 (Online) 1st February Evening Shift Chemistry - Hydrocarbons Question 32 English

A
JEE Main 2023 (Online) 1st February Evening Shift Chemistry - Hydrocarbons Question 32 English Option 1
B
JEE Main 2023 (Online) 1st February Evening Shift Chemistry - Hydrocarbons Question 32 English Option 2
C
JEE Main 2023 (Online) 1st February Evening Shift Chemistry - Hydrocarbons Question 32 English Option 3
D
JEE Main 2023 (Online) 1st February Evening Shift Chemistry - Hydrocarbons Question 32 English Option 4
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