JEE Main 2022 (Online) 29th July Evening Shift | p-Block Elements Question 69 | Chemistry

Dinitrogen is a robust compound, but reacts at high altitudes to form oxides. The oxide of nitrogen that can damage plant leaves and retard photosynthesis is :

$$\mathrm{NO}$$

$$\mathrm{NO}_{3}^{-}$$

$$ \mathrm{NO}_{2}$$

$$\mathrm{NO}_{2}^{-}$$

JEE Main 2022 (Online) 28th July Evening Shift

MCQ (Single Correct Answer)

-1

Out of Syllabus

White phosphorus reacts with thionyl chloride to give :

$$\mathrm{PCl}_{5}, \mathrm{SO}_{2}$$ and $$\mathrm{S}_{2} \mathrm{Cl}_{2}$$

$$\mathrm{PCl}_{3}, \mathrm{SO}_{2}$$ and $$\mathrm{S}_{2} \mathrm{Cl}_{2}$$

$$\mathrm{PCl}_{3}, \mathrm{SO}_{2}$$ and $$ \mathrm{Cl}_{2}$$

$$\mathrm{PCl}_{5}, \mathrm{SO}_{2}$$ and $$ \mathrm{Cl}_{2}$$

JEE Main 2022 (Online) 28th July Evening Shift

MCQ (Single Correct Answer)

-1

Out of Syllabus

Concentrated $$\mathrm{HNO}_{3}$$ reacts with Iodine to give :

HI, $$\mathrm{NO}_{2}$$ and $$\mathrm{H}_{2} \mathrm{O}$$

$$\mathrm{HIO}_{2}, \mathrm{~N}_{2} \mathrm{O}$$ and $$\mathrm{H}_{2} \mathrm{O}$$

$$\mathrm{HIO}_{3}, \mathrm{NO}_{2}$$ and $$\mathrm{H}_{2} \mathrm{O}$$

$$\mathrm{HIO}_{4}, \mathrm{NO}_{2}$$ and $$\mathrm{H}_{2} \mathrm{O}$$

JEE Main 2022 (Online) 28th July Evening Shift

MCQ (Single Correct Answer)

-1

Dinitrogen and dioxygen, the main constituents of air do not react with each other in atmosphere to form oxides of nitrogen because :

$$\mathrm{N}_{2}$$ is unreactive in the condition of atmosphere.

Oxides of nitrogen are unstable.

Reaction between them can occur in the presence of a catalyst.

The reaction is endothermic and require very high temperature.

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