Home
Class 12
CHEMISTRY
Statement -1:Aluminothermy is used for e...

Statement -1:Aluminothermy is used for extraction of chromium from chromium oxide.
Statement-2: Aluminium is reducing agent.

A

Statement -1 is true, Statement-2 are true and Statement-2 is the correct explanation of Statement -1

B

Statement -1 is true, Statement-2 are true and Statement-2 is not a correct explanation of Statement -1

C

Statement-1 is true but Statement -2 is false

D

Statement-1 is false but Statement -2 is true

Text Solution

Verified by Experts

The correct Answer is:
a
Doubtnut Promotions Banner Mobile Dark
|

Similar Questions

Explore conceptually related problems

Expain the role of aluminium in the extraction of chromium or manganese.

Statement-1: The highest oxidation state of chromium in its compound is +6. Statement-2: Chromium atom has only six electrons in ns and (n-1)d orbitals.

Knowledge Check

  • Assertion: Aluminothermy is used for extraction of chromium form chromium oxide. Reason: Alumina has a high melting point.

    A
    If both assertion and reason are true and the reason is the correct explanation of the assertion.
    B
    If both assertion and reason are true but reason is not the correct explanation of the assertion.
    C
    If assertion is true but reason is false.
    D
    If assertion is false but reason is true.

  • Assertion. Aluminothermy is used for extraction of chromium from chromium oxide. Reason. Alumina reacts with carbon to from aluminium carbide which decomposes at high temperature to from Al while carbon is oxidised to CO.

    A
    If both assertion and reason are true, and reason is not the true explanation of the assertion.
    B
    If both assertion and reason are true, but reason is not the true explanation of the assertion.
    C
    If assertion is true, but reason is false
    D
    If both assertion and reason are false

  • Assertion : Aluminium is used for the extraction of chromium from its oxide Reason : Aluminium has high melting point.

    A
    Both assertion and reason are correct statements, and reason is the correct explanation of the assertion.
    B
    Both assertion and reason are correct statements, but reason is not the correct explanation of the assertion.
    C
    Assertion is correct, but reason is wrong statement.
    D
    Assertion is wrong, but reason is correct statement.

    • Similar Questions

    Explore conceptually related problems

    Name the reaction in which aluminium is used as a reducing agent.

    Statement-1: Aluminium is used as reducing agent in the commercial extraction of iron from haematite ore. Statement--2: Reduction of B_(2)O_(3) to boron by aluminuim is called as Goldschmidt aluminothermicprocess.

    To obtain chromium from chromic oxide (Cr_(3)O_(3)) the method used is

    Statement-1: Carbon is not used as a reducing agent for the extraction of group 2 metals. Statement-2: Carbon reacts with group 2 metal to give carbides

    Statement-1: Carbon is not used as a reducing agent for the extraction of group 2 metals. Statement-2: Carbon reacts with group 2 metal to give carbides

    Home
    Profile