Which of the following is correct for 17 gmL -1 of H 2 O 2 solution-A- The volume strength of solution is 5-6B- The solution is 0-5 M H 2 O 2C- The normality of solution is 0-5D- 1 mL of solution on heating gives 2-8 mL of O 2 at 273 K and 2 atm of pressure

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Molality

Which of the ...

Question

Which of the following is correct for $17 g m L^{- 1}$ of $H_{2} O_{2}$ solution?

The volume strength of solution is 5.6

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The solution is 0.5 M

H_{2} O_{2}

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The normality of solution is 0.5

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m L

of solution on heating gives 2.8

m L

O_{2}

at 273

K

and 2

a t m

of pressure

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Solution

The correct options are
A The volume strength of solution is 5.6
B The solution is 0.5 M $H_{2} O_{2}$
D 1 $m L$ of solution on heating gives 2.8 $m L$ of $O_{2}$ at 273 $K$ and 2 $a t m$ of pressure
$17 g m L^{- 1}$ of $H_{2} O_{2}$ solution means 0.5 $m o l e L^{- 1}$ of $H_{2} O_{2}$ solution.
Molarity of the solution= 0.5 $M$
Also we know that,
$M o l a r i t y = \frac{v o l u m e s t r e n g t h}{11.2}$
$V o l u m e s t r e n g t h = 5.6$
$N o r m a l i t y = M o l a r i t y \times n - f a c t o r$
$N o r m a l i t y = 0.5 \times 2 = 1$

Volume strength refers to the volume of oxygen gas liberated from 1 volume of $H_{2} O_{2}$ solution at STP.

Here, we have already obtained that volume strength of the solution is $^{'} {5.6}^{'}$ , which means 1 $m L$ of $H_{2} O_{2}$ will liberate 5.6 $m L$ of oxygen gas at 1 atm pressure and 273 $K$ .

So, at 273 $K$ and 2 $a t m$ of pressure the oxygen gas liberated will be 2.8 $m L$ .

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Similar questions

Which of the following statements are correct for a solution of $H_{2} O_{2}$ having a strength of 17g/litre ?

Q. Which of the following is/are correct for

17 g / L

H_{2} O_{2}

solution?

Q. The srength of

H_{2} O_{2}

is expressed in several ways like molarity, normality, %(w/V), volume strength, etc. The strength of

10 V

means 1 volume of

H_{2} O_{2}

on decomposition gives 10 volumes of oxygen at 1 atm and

273 K

or 1 litre of

H_{2} O_{2}

gives

10 l i t r e

O_{2}

at 1 atm and

273 K

.
The decomposition of

H_{2} O_{2}

is shown as under:

H_{2} O_{2} (a q) \to H_{2} O (l) + \frac{1}{2} O_{2} (g)

H_{2} O_{2}

can acts as oxidising as well as reducing agent, as oxidisng agent

H_{2} O_{2}

converted into

H_{2} O

and as reducing agent

H_{2} O_{2}

converted into

O_{2}

, both cases n-factor is

2

∴, Normality of H_{2} O_{2} Solution = 2 \times Molarity of H_{2} O_{2} Solution

What is the percentage strength of

11.2 V H_{2} O_{2}

500

ml of a

H_{2} O_{2}

solution on complete decomposition produces

2

moles of

H_{2} O_{2}

. Calculate the volume strength of

H_{2} O_{2}

solution?

[Assume that the volume of

O_{2}

is measured at

1

atm and

273

500 mL

of a

H_{2} O_{2}

solution on complete decomposition produces

2

moles of

H_{2} O

, volume strength of

H_{2} O_{2}

solution is:
[Given : Volume of

O_{2}

is measured at

1 atm

and

273 K

]

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Which of the following is correct for 17 gmL−1 of H2O2 solution?

Which of the following is correct for $17 g m L^{- 1}$ of $H_{2} O_{2}$ solution?