NEET 2016 Phase 2 | Electrochemistry Question 26 | Chemistry

NEET 2016 Phase 2

MCQ (Single Correct Answer)

-1

If the E^o_cell for a given reaction has a negative value, which of the following gives the correct relationships for the values of $$\Delta $$G^o and K_eq ?

$$\Delta $$G^o > 0; K_eq < 1

$$\Delta $$G^o > 0; K_eq > 1

$$\Delta $$G^o < 0; K_eq > 1

$$\Delta $$G^o < 0; K_eq < 1

NEET 2016 Phase 2

MCQ (Single Correct Answer)

-1

The number of electrons delivered at the cathode during electrolysis by a current of 1 ampere in 60 seconds is (charge on electron = 1.60 $$ \times $$ 10^$$-$$19C)

6 $$ \times $$ 10²³

6 $$ \times $$ 10²⁰

3.75 $$ \times $$ 10²⁰

7.48 $$ \times $$ 10²³

NEET 2016 Phase 2

MCQ (Single Correct Answer)

-1

Zinc can be coated on iron to produce galvanized iron but the reverse is not possible. It is because

zinc is lighter than iron

zinc has lower melting point than iron

zinc has lower negative electrode potential than iron

zinc has higher negative electrode potential than iron

NEET 2016 Phase 2

MCQ (Single Correct Answer)

-1

The molar conductivity of a 0.5 mol/dm³ solution of AgNO₃ with electrolytic conductivity of 5.76 $$ \times $$ 10^$$-$$3 S cm^$$-$$1 at 298 K is

2.88 S cm²/mol

11.52 S cm²/mol

0.086 S cm²/mol

28.8 S cm²/mol

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