a H 2 O 2 + O 3 → H 2 O + 2 O 2 b H 2 O 2 + A g 2 O → 2 A g + H 2 O + O 2 Role of hydrogen peroxide in the above reactions is respectively:

Oxidising agent in a and reducing in b

Reducing agent in a and oxidising agent in b

Hot concentrated sulphuric acid is a moderately strong oxidizing agent. Which of the following reactions does not show oxidizing behaviour?

CaF 2 + H 2 SO 4 → CaSO 4 + 2 HF

Cu + 2 H 2 SO 4 → CuSO 4 + SO 2 + 2 H 2 O

3 S + 2 H 2 SO 4 → 3 SO 2 + 2 H 2 O

C + 2 H 2 SO 4 → CO 2 + 2 SO 2 + 2 H 2 O

E M B I B E

Alpha Question Bank for Medical: Chemistry>Chapter 6 - Redox Reactions>Exercise 1>Q 66

MEDIUM

NEET

IMPORTANT

Earn 100

Match List-I (Compounds) with List-II (Oxidation states of Nitrogen) and select answer using the codes given below the list:

List-l List-II

(1) ${NaN}_{3}$ (1) $+ 5$

(2) $N_{2} H_{2}$ (2) $+ 2$

(3) $NO$ (3) $- 1 / 3$

(4) $N_{2} O_{5}$ (4) $- 1$

100% studentsanswered this correctly

Important Questions on Redox Reactions

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 6 - Redox Reactions>Exercise 2>Q 3

Which of the following is not correctly matched with respect to the oxidation state of phosphorus atoms?

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 6 - Redox Reactions>Exercise 2>Q 4

Which of the following reactions represents the reducing behaviour of

{SO}_{2}

?

MEDIUM

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 6 - Redox Reactions>Exercise 2>Q 5

1

mole of

N_{2} H_{4}

loses 10 moles of electrons to form a new compound

Y

. Assuming that all the nitrogen appears in the new compound, what is the oxidation state of nitrogen in

Y

? (There is no change in the oxidation state of hydrogen).

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 6 - Redox Reactions>Exercise 2>Q 6

The average oxidation state of

Fe

in

{Fe}_{3} O_{4}

is:

MEDIUM

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 6 - Redox Reactions>Exercise 2>Q 7

How many electrons required to balance the following equation?

{NO}_{3}^{-} + 4 H^{+} + e^{-} ⟶ 2 H_{2} O + NO

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 6 - Redox Reactions>Exercise 2>Q 8

Which of the following acts as an oxidising as well as reducing agent?

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 6 - Redox Reactions>Exercise 2>Q 9

In which of the following reactions, is there a change in the oxidation number of nitrogen atom?

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 6 - Redox Reactions>Exercise 2>Q 12

The number of electrons required to balance the following equation,

{NO}_{3}^{-} + 4 H^{+} + e^{-} ⟶ 2 H_{2} O + NO

is

Learn and Prepare for any exam you want !

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(1)	(2)	(3)	(4)
$3$	$4$	$2$	$1$

(1)	(2)	(3)	(4)
$4$	$3$	$2$	$1$

(1)	(2)	(3)	(4)
$3$	$4$	$1$	$2$

(1)	(2)	(3)	(4)
$4$	$3$	$1$	$2$

	List-l		List-II
(1)	${NaN}_{3}$	(1)	$+ 5$
(2)	$N_{2} H_{2}$	(2)	$+ 2$
(3)	$NO$	(3)	$- 1 / 3$
(4)	$N_{2} O_{5}$	(4)	$- 1$

Match List-I (Compounds) with List-II (Oxidation states of Nitrogen) and select answer using the codes given below the list: List-l List-II (1) NaN3 (1) +5 (2) N2H2 (2) +2 (3) NO (3) -1/3 (4) N2O5 (4) -1

Important Questions on Redox Reactions

Learn and Prepare for any exam you want !

Match List-I (Compounds) with List-II (Oxidation states of Nitrogen) and select answer using the codes given below the list:

List-l List-II

(1) ${NaN}_{3}$ (1) $+ 5$

(2) $N_{2} H_{2}$ (2) $+ 2$

(3) $NO$ (3) $- 1 / 3$

(4) $N_{2} O_{5}$ (4) $- 1$