In the following questions a statement of Assertion (A) followed by a statement of Reason (R) is given. Choose the option out of the choices given below in each question.

Assertion (A) Combustion of 16g of methane gives 18g of water.

Reason (R) In the combustion of methane, water is one of the products.

(a) Both A and R are true but R are true but R is not the correct explanation of A.

(b) A is true but R is true

(c) A is false but R is true

(d) Both A and R are false

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Solution

Assertion is false but Reason is true.

Combustion of 16 g of methene gives 36 g of water

$C H_{4} \begin{matrix} 1 m o l = 16 g \end{matrix} + 2 O_{2} ⟶ C O_{2} + 2 H_{2} O \begin{matrix} 2 m o l = 36 g \end{matrix}$

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Assertion is false but Reason is true. Combustion of 16 g of methene gives 36 g of water CH41mol=16g+2O2⟶CO2+2H2O2 mol=36g

Assertion is false but Reason is true.

Combustion of 16 g of methene gives 36 g of water

$C H_{4} \begin{matrix} 1 m o l = 16 g \end{matrix} + 2 O_{2} ⟶ C O_{2} + 2 H_{2} O \begin{matrix} 2 m o l = 36 g \end{matrix}$