If we pump methane gas into a closed gas cylinder containing chlorine gas, the chlorine gas will substitute the hydrogen in methane.

True

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False

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Solution

The correct option is B
False

Chlorine replaces hydrogen in methane very quickly in the presence of sunlight.
$C H_{4} (g) + C l_{2} (g) \to C H_{3} C l (g) + H C l (g)$ (in the presence of sunlight)
Since the cylinder is closed, no sunlight will enter the cylinder and hence chlorine will not substitute the hydrogen in methane.

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Similar questions

Q. If we pump methane gas into a closed and impenetrable cylinder containing chlorine gas, chlorine substitutes the hydrogen in methane.

Calculate the volume fo HCL gas formed and chlorine gas required when 40 mL of methane reacts completely with chlorine at STP.
$C H_{4} + 2 C l_{2} \to C H_{2} C l_{2} + 2 H C l$

What is the difference between methane and the gas in the cylinder we use at home?

(a) What volume of oxygen is required to burn completely a mixture of 22.4 dm³of methane and 11.2 dm³ of hydrogen into carbon dioxide and steam? Equations of the reactions are given below:
CH₄ + 2O₂ $\overset{}{\to}$ CO₂ + 2H₂O
2H₂ + O₂ $\overset{}{\to}$ 2H₂O
(Assume that all volumes are measured at STP)

(b) The gases hydrogen, oxygen, carbon dioxide, sulphur dioxide and chlorine are arranged in order of their increasing relative molecular mass. Given 8 g of each gas at STP, which gas will contain the least number of molecules and which gas the most?

Q. _______ grams of methane contains as many hydrogen atoms as there are in 4 grams of hydrogen gas.

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