JEE Main 2022 (Online) 26th July Morning Shift | p-Block Elements Question 79 | Chemistry

1

JEE Main 2022 (Online) 26th July Morning Shift

MCQ (Single Correct Answer)

+4

-1

Out of Syllabus

Borazine, also known as inorganic benzene, can be prepared by the reaction of 3-equivalents of "$$X$$" with 6-equivalents of "$$Y$$". "$$X$$" and "$$Y$$", respectively are :

A

$$\mathrm{B}(\mathrm{OH})_{3}$$ and $$\mathrm{NH}_{3}$$

B

$$\mathrm{B}_{2} \mathrm{H}_{6}$$ and $$\mathrm{NH}_{3}$$

C

$$\mathrm{B}_{2} \mathrm{H}_{6}$$ and $$\mathrm{HN}_{3}$$

D

$$\mathrm{NH}_{3}$$ and $$\mathrm{B}_{2} \mathrm{O}_{3}$$

2

JEE Main 2022 (Online) 25th July Evening Shift

MCQ (Single Correct Answer)

+4

-1

Out of Syllabus

The total number of acidic oxides from the following list is

NO, N₂O, B₂O₃, N₂O₅, CO, SO₃, P₄O₁₀

A

3

B

4

C

5

D

6

3

JEE Main 2022 (Online) 25th July Evening Shift

MCQ (Single Correct Answer)

+4

-1

Match List I with List II:

	List I		List II
(A)	Sulphate	(I)	Pesticide
(B)	Fluoride	(II)	Bending of bones
(C)	Nicotine	(III)	Laxative effect
(D)	Sodium arsinite	(IV)	Herbicide

Choose the correct answer from the options given below :

A

A-II, B-III, C-IV, D-I

B

A-IV, B-III, C-II, D-I

C

A-III, B-II, C-I, D-IV

D

A-III, B-II, C-IV, D-I

4

JEE Main 2022 (Online) 25th July Morning Shift

MCQ (Single Correct Answer)

+4

-1

Out of Syllabus

Match List I with List II

	List I		List II
(A)	N$$_2$$(g) + 3H$$_2$$(g) $$ \to $$ 2NH$$_3$$(g)	(I)	Cu
(B)	CO(g) + 3H$$_2$$(g) $$ \to $$ CH$$_4$$(g) + H$$_2$$O(g)	(II)	Cu/ZnO $$ - $$ Cr$$_2$$O$$_3$$
(C)	CO(g) + H$$_2$$(g) $$ \to $$ HCHO(g)	(III)	Fe$$_x$$O$$_y$$ + K$$_2$$O + Al$$_2$$O$$_3$$
(D)	CO(g) + 2H$$_2$$(g) $$ \to $$ CH$$_3$$OH(g)	(IV)	Ni

Choose the correct answer from the options given below :

A

$$(\mathrm{A})-(\mathrm{II}),(\mathrm{B})-(\mathrm{IV}),(\mathrm{C})-(\mathrm{I}),(\mathrm{D})-(\mathrm{III})$$

B

$$(\mathrm{A})-(\mathrm{II}),(\mathrm{B})-(\mathrm{I}),(\mathrm{C})-(\mathrm{IV}),(\mathrm{D})-(\mathrm{III})$$

C

$$(\mathrm{~A})-(\mathrm{III}),(\mathrm{B})-(\mathrm{IV}),(\mathrm{C})-(\mathrm{I}),(\mathrm{D})-(\mathrm{II})$$

D

$$(\mathrm{A})-(\mathrm{III}),(\mathrm{B})-(\mathrm{I}),(\mathrm{C})-(\mathrm{IV}),(\mathrm{D})-(\mathrm{II})$$