Redox Reactions & Electrochemistry [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Chemistry]: Questions 48 - 54 of 169

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Question 48

Question MCQ▾

Which of the following is used in the preparation of conductivity water?

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 49

Question MCQ▾

The cell reaction is spontaneous and serves as a source of electrical energy if?

Choices

Choice (4)Response

a.

Zero

b.

variable

c.

Positive

d.

Negative

Edit

Question 50

Question MCQ▾

The oxidation potential of hydrogen electrode at and atm?

Choices

Choice (4)Response

a.

b.

c.

d.

0.059 V

Edit

Question 51

Appeared in Year: 2016

Question MCQ▾

The number of electrons delivered at the cathode during electrolysis by a current of 1 ampere in 60 seconds is (charge on electron C)

Choices

Choice (4)Response

a.

6 ×

b.

6 ×

c.

7.48 ×

d.

3.75 ×

Edit

Question 52

Appeared in Year: 2016

Question MCQ▾

If the for a given reaction has a negative value, which of the following gives the correct relationships for the values of and ?

Choices

Choice (4)Response

a.

0 0; 1

b.

0 ;

c.

0 0; 1

d.

0 0; 1

Edit

Question 53

Question MCQ▾

The limiting molar conductivities for are 126,152 and 150 respectively. The molar conductivity for is

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 54

Question Assertion-Reason▾

Assertion(Ꭺ)

Copper does not dissolve in to liberate

Reason(Ꭱ)

Basic principle of hydrogen economy is transportation and storage of energy in the form of liquid OR gases hydrogen.

Choices

Choice (4)Response

a.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

b.

Both Ꭺ and Ꭱ are false

c.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

d.

Ꭺ is true but Ꭱ is false

Edit