1.

Assertion (A) : When KBr is heated with conc. H_2SO_4, HBr is displaced. Reason (R) :HBr is a weaker acid than conc. H_2SO_4.

Answer»

Both A and R true and R is the CORRECT explanation of A
Both A and R true and R is not acorrect explanation of A
A is true but R is false
Both A and R are false

Solution :Assertion. When KBR is heated with conc. `H_2SO_4, Br_2` is produced.
REASON. Conc. `H_2SO_4` oxidised HBr produced to `Br_2`.


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