Assertion (A) In alumino thermite process, the metals like iron melts due to the heat evolved in the reaction. Reason (R) The reaction like Fe 2 O 3+2 Al longrightarrow Al 2 O 3+2 Fe is highly exothermic in nature

Question

Assertion (A) In alumino thermite process, the metals like iron melts due to the heat evolved in the reaction. Reason (R) The reaction like Fe 2 O 3+2 Al longrightarrow Al 2 O 3+2 Fe is highly exothermic in nature (A) Both A and R are correct; R is the correct explanation of A. (B) Both A and R are correct; R is not the correct explanation of A. (C) A is correct; R is incorrect. (D) R is correct; A is incorrect.

Tardigrade Admin · Accepted Answer

Large amount of heat is evolved which melts iron and can be used for welding.

Q. Assertion (A) In alumino thermite process, the metals like iron melts due to the heat evolved in the reaction.
Reason (R) The reaction like
$F e_{2} O_{3} + 2 A l ⟶ A l_{2} O_{3} + 2 F e$
is highly exothermic in nature

Both $A$ and $R$ are correct; $R$ is the correct explanation of $A$ .

Both $A$ and $R$ are correct; $R$ is not the correct explanation of $A$ .

$A$ is correct; $R$ is incorrect.

$R$ is correct; $A$ is incorrect.

Large amount of heat is evolved which melts iron and can be used for welding.

Q. Assertion (A) In alumino thermite process, the metals like iron melts due to the heat evolved in the reaction. Reason (R) The reaction like Fe2​O3​+2Al⟶Al2​O3​+2Fe is highly exothermic in nature

Both A and R are correct; R is the correct explanation of A.

Both A and R are correct; R is not the correct explanation of A.

A is correct; R is incorrect.

R is correct; A is incorrect.

Large amount of heat is evolved which melts iron and can be used for welding.

Q. Assertion (A) In alumino thermite process, the metals like iron melts due to the heat evolved in the reaction.
Reason (R) The reaction like
$F e_{2} O_{3} + 2 A l ⟶ A l_{2} O_{3} + 2 F e$
is highly exothermic in nature

Both $A$ and $R$ are correct; $R$ is the correct explanation of $A$ .

Both $A$ and $R$ are correct; $R$ is not the correct explanation of $A$ .

$A$ is correct; $R$ is incorrect.

$R$ is correct; $A$ is incorrect.