AIPMT 2011 Prelims | Electrochemistry Question 43 | Chemistry

AIPMT 2011 Prelims

MCQ (Single Correct Answer)

-1

Standard electrode potential of three metals X, Y and Z are $$-$$1.2 V, + 0.5 V and $$-$$ 3.0 V respectively. The reducing power of these metals will be

Y > Z > X

Y > X > Z

Z > X > Y

X > Y > Z

AIPMT 2011 Prelims

MCQ (Single Correct Answer)

-1

Standard electrode potential for Sn⁴⁺/Sn²⁺ couple is + 0.15 V and that for the Cr³⁺/Cr couple is $$-$$ 0.74 V. These two couples in their standard state are connected to make a cell. The cell potential will be

+ 1.19 V

+ 0.89 V

+ 0.18 V

+ 1.83 V

AIPMT 2011 Prelims

MCQ (Single Correct Answer)

-1

The electrode potentials for Cu²⁺_(aq) + e^$$-$$ $$ \to $$ Cu⁺_(aq)
and Cu⁺_(aq) + e^$$-$$ $$ \to $$ Cu_(s) are + 0.15 V and + 0.50 V respectively.

The value of E^o_cu²⁺/cu will be

0.500 V

0.325 V

0.650 V

0.150 V

AIPMT 2010 Mains

MCQ (Single Correct Answer)

-1

Which of the following expressions correctly represents the equivalent conductance at infinite diluation of Al₂(SO₄)₃. Given that $$\mathop \Lambda \limits^ \circ $$_Al³⁺ and $$\mathop \Lambda \limits^ \circ $$_{so$$_4^{2 - }$$} are the equivalent conductances at infinite dilution of the respective ions?

$$2\mathop \Lambda \limits^ \circ $$_Al³⁺ + $$3\mathop \Lambda \limits^ \circ $$_{so$$_4^{2 - }$$}

$$\mathop \Lambda \limits^ \circ $$_Al³⁺ + $$\mathop \Lambda \limits^ \circ $$_{so$$_4^{2 - }$$}

($$\mathop \Lambda \limits^ \circ $$_Al³⁺ + $$\mathop \Lambda \limits^ \circ $$_{so$$_4^{2 - }$$}) $$ \times $$ 6

$${1 \over 3}$$$$\mathop \Lambda \limits^ \circ $$_Al³⁺ + $${1 \over 2}$$$$\mathop \Lambda \limits^ \circ $$_{so$$_4^{2 - }$$}

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