Question

Which of the following shows nitrogen in its increasing order of oxidation number?

A. $${N_2}O < NO < N{O_2} < NO_3^ - < NH_4^ + $$
B. $$NH_4^ + < {N_2}O < NO < N{O_2} < NO_3^ - $$  
C. $$NH_4^ + < {N_2}O < N{O_2} < NO_3^ - < NO$$
D. $$NH_4^ + < NO < {N_2}O < N{O_2} < NO_3^ - $$
Answer :   $$NH_4^ + < {N_2}O < NO < N{O_2} < NO_3^ - $$
Solution :
$${N_2}O = + 1,NO = + 2,N{O_2} = + 4,$$       $$NO_3^ - = + 5,NH_4^ + = - 3$$
Increasing order of oxidation state will be
$$NH_4^ + < {N_2}O < NO < N{O_2} < NO_3^ - $$

Releted MCQ Question on
Inorganic Chemistry >> P - Block Elements

Releted Question 1

The reddish brown coloured gas formed when nitric oxide is oxidised by air is

A. $${N_2}{O_5}$$
B. $${N_2}{O_4}$$
C. $$N{O_2}$$
D. $${N_2}{O_3}$$
Releted Question 2

The temporary hardness of water due to calcium carbonate can be removed by adding —

A. $$CaC{O_3}$$
B. $$Ca{\left( {OH} \right)_2}\,$$
C. $$CaC{l_2}$$
D. $$\,HCl$$
Releted Question 3

Which of the following is most stable to heat

A. $$HCl$$
B. $$HOCl$$
C. $$HBr$$
D. $$HI$$
Releted Question 4

White $$P$$ reacts with caustic soda. The products are $$P{H_3}$$ and $$Na{H_2}P{O_2}.$$   This reaction is an example of

A. Oxidation
B. Reduction
C. oxidation and reduction
D. Neutralisation

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P - Block Elements


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