1
WB JEE 2019
MCQ (More than One Correct Answer)
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-0.67
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Identify the correct statement(s) :
A
The oxidation number of Cr in CrO5 is + 6.
B
$$\Delta$$H > $$\Delta$$U for the reaction N2O4(g) $$\to$$ 2NO2(g) provided both gases behave ideally.
C
pH of 0.1 N H2SO4 is less than that of 0.1 N HCl at 25$$^\circ$$C.
D
$$\left( {{{RT} \over F}} \right)$$ = 0.0591 volt at 25$$^\circ$$C
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