Class 12 Chemistry p-Block Elements (Class 12)Halogen family

Difficult

$HBr$ and $HI$ can reduce $H_2SO_4$,$HCl$ can reduce $KMnO_4$,and $HF$ can reduce:

IIT 1981 All IIT

A
$H_2SO_4$
B
$KMnO_4$
C
$K_2Cr_2O_7$
D
None of the above

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Class 12

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p-Block Elements (Class 12)

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Halogen family

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Which of the following statement$(s)$ is(are) correct when a mixture of $NaCl$ and $K_2Cr_2O_7$ is gently warmed with conc. $H_2SO_4$?

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