JEE Main 2021 (Online) 20th July Morning Shift | p-Block Elements Question 80 | Chemistry

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JEE Main 2021 (Online) 20th July Morning Shift

MCQ (Single Correct Answer)

-1

The species given below that does NOT show disproportionation reaction is :

$$BrO_4^ - $$

$$Br{O^ - }$$

$$BrO_2^ - $$

$$BrO_3^ - $$

JEE Main 2021 (Online) 20th July Morning Shift

MCQ (Single Correct Answer)

-1

Chemical nature of the nitrogen oxide compound obtained from a reaction of concentrated nitric acid and P₄O₁₀ (in 4 : 1 ratio) is :

acidic

basic

amphoteric

neutral

JEE Main 2021 (Online) 18th March Morning Shift

MCQ (Single Correct Answer)

-1

Reagent, 1-napthylamine and sulphanilic acid in acetic acid is used for the detection of

N₂O

NO$$_3^ - $$

NO$$_2^ - $$

JEE Main 2021 (Online) 18th March Morning Shift

MCQ (Single Correct Answer)

-1

Match List - I with List - II

	List - I (process)		List - II (catalyst)
(a)	Deacron's process	(i)	ZSM-5
(b)	Contact process	(ii)	$$CuC{l_2}$$
(c)	Cracking of hydrocarbons	(iii)	Particles 'Ni'
(d)	Hydrogenation of vegetable oils	(iv)	$${V_2}{O_5}$$

Choose the most appropriate answer from the options given below :

(a)-(ii), (b)-(iv), (c)-(i), (d)-(iii)

(a)-(i), (b)-(iii), (c)-(ii), (d)-(iv)

(a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)

(a)-(iv), (b)-(ii), (c)-(i), (d)-(iii)

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