The first order rate constant for the decomposition of N 2 O 5 is 6-2 - 10-4 sec -1- The t 1 - 2 of the decomposition reaction isA- 228-4 secB- 168-9 secC- 1117-7 secD- 111-7 sec

The correct option is C 1117.7 sec t1/2 = ...

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard XII

Chemistry

Electrolysis and Electrolytes

The first ord...

Question

The first order rate constant for the decomposition of N₂O₅ is 6.2 x 10^-4 sec^-1. The t_1/2 of the decomposition reaction is

1117.7 sec

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

111.7 sec

No worries! We‘ve got your back. Try BYJU‘S free classes today!

168.9 sec

No worries! We‘ve got your back. Try BYJU‘S free classes today!

228.4 sec

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A
1117.7 sec

t_1/2 =

Suggest Corrections

Similar questions

The first-order rate constant for the decomposition of $N_{2} O_{5}$ is $6.2 \times 10^{- 4} s^{- 1}$ . The half-life for this decomposition is___?

Q. For a first order reaction involving decomposition of

N_{2} O_{5}

the following information is available

2 N_{2} O_{5} (g) \to 4 N O_{2} (g) + O_{2} (g)

rate

= k [N_{2} O_{5}]

N_{2} O_{5} (g) \to 2 N O_{2} (g) + 1 / 2 O_{2} (g)

rate

= k^{'} [N_{2} O_{5}]

Q. The container of

2

litrer contains

4

mole of

N_{2} O_{5}

. On heating to

100^{\circ} C, N_{2} O_{5}

undergoes complete dissociation to

N O_{2}

and

O_{2}

. Select the correct answers if rate constant for decomposition of

N_{2} O_{5}

6.2 \times 10^{- 4} s e c^{- 1}

.
1. The mole ratio before and after dissociation is

4 : 2

2. Half life of

N_{2} O_{5}

1117 s e c

and it is independent of concentration.
3. Time required to complete

40

% of reaction is

824 s e c

.
4. If volume of container is doubled, the initial rate of decomposition becomes half of the initial rate.

Q. The container of 2 litre contains 4 mole of

N_{2} O_{5}

. On heating to

100^{o} C, N_{2} O_{5}

undergoes complete dissociation to

N O_{2}

and

O_{2}

. Select the correct answers if rate constant for decomposition of

N_{2} O_{5}

6.2 \times 10^{- 4} s e c^{- 1}

.
1. The mole ratio before and after dissociation is 4:2.
2. The half-life of

N_{2} O_{5}

is 1117.7 sec and it is independent of temperature.
3. The time required to complete 40% of reaction is 824 sec.
4. If the volume of the container is doubled, the rate of decomposition becomes half of the initial rate

Q. A substance undergoes first order decomposition. The decomposition follows two parallel first order reactions as ;

k_{1} = 1.26 \times 10^{- 4} s e c^{- 1}

and

k_{2} = 3.6 \times 10^{- 5} s e c^{- 1}

. Calculate the % distribution of B & C.

Join BYJU'S Learning Program

The first order rate constant for the decomposition of N2O5 is 6.2 x 10-4 sec-1. The t1/2 of the decomposition reaction is

The correct option is A 1117.7 sec t1/2 =

The first order rate constant for the decomposition of N₂O₅ is 6.2 x 10^-4 sec^-1. The t_1/2 of the decomposition reaction is

The correct option is A
1117.7 sec

t_1/2 =