Q:

The reduction potential of hydrogen half-cell will be negative if :
(1) $P (H_{2})$ = 2 atm and [H+] = 2.0 M
(2) $P (H_{2})$ = 1 atm and [H+] = 2.0 M
(3) $P (H_{2})$ = 1 atm and [H+] = 1.0 M
(4) $P (H_{2})$ = 2 atm and [H+] = 1.0 M

A) Option 1	B) Option 2
C) Option 3	D) Option 4

Answer & Explanation Answer: D) Option 4

Explanation:

$H^{+} - e^{-} \to \frac{1}{2} H_{2}$

Apply Nernst equation

$E = 0 - \frac{0.059}{1} \log (\frac{P H_{2}^{\frac{1}{2}}}{[H^{+}]})$

$E = - \frac{0.059}{1} \log (\frac{2^{\frac{1}{2}}}{1})$

Therefore E is Negative

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Filed Under: Chemistry
Exam Prep: AIEEE

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Q:

Rearrange the parts of the sentence in correct order.

He spent a third

P-was of any consequence
Q-made sure that none of them
R-of the time describing his tax proposals, but

A) QRP	B) QPR
C) PRQ	D) RQP

Answer & Explanation Answer: D) RQP

Explanation:

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Filed Under: English
Exam Prep: Bank Exams

0 15284

Q:

What do eukaryotic cells have that prokaryotic cells do not?

A) Nucleus	B) Cytoplasm
C) Ribosomes	D) DNA

Answer & Explanation Answer: A) Nucleus

Explanation:

ep1527656002.jpg image

Eukaryotic cells contain membrane-bound organelles, including a nucleus. Eukaryotes can be single-celled or multi-celled, such as you, me, plants, fungi, and insects.

Whereas Prokaryotic cells do not contain a nucleus or any other membrane-bound organelle. Bacteria are an example of prokaryotes.

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Filed Under: Biology
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34 15277

Q:

Select the synonym of

famished

A) glut	B) jaded
C) satiated	D) starved

Answer & Explanation Answer: D) starved

Explanation:

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Filed Under: English
Exam Prep: Bank Exams , GRE , TOEFL

0 15270

Q:

Rearrange the parts of the sentence in correct order.

To have succumbed to their

P-blackmail was not an instance of
Q-making pragmatic political
R-concessions; it was one of capitulation

A) QRP	B) PQR
C) RPQ	D) QPR

Answer & Explanation Answer: B) PQR

Explanation:

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Exam Prep: Bank Exams

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Q:

void main()

{

char good *better, *best;

printf( "%d..%d", sizeof(better), sizeof(best) );

}

A) 1..2	B) 4..4
C) 4..2	D) 2..2

Answer & Explanation Answer: C) 4..2

Explanation:

The second pointer is of char type and not a good pointer.

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Filed Under: Programming

4 15261

Q:

According to John Maynard Keynes, employment depends upon

A) aggregate demand	B) aggregate supply
C) effective demand	D) rate of interest

Answer & Explanation Answer: C) effective demand

Explanation:

J.M Keynes’ theory of employment is a demand-deficient theory. This means that Keynes visualised employment from the demand side of the model. His theory is a demand-oriented approach, as opposed to the classical supply side model.

According to him,the volume of employment in a country depends on the level of effective demand of people for goods and services. Thus, unemployment is attributed to the deficiency of effective demand.

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Filed Under: Indian Economy
Exam Prep: Bank Exams

0 15250

Q:

_ pompous he was an entertaining person.

A) Though	B) Never
C) Despite	D) Before

Answer & Explanation Answer: A) Though

Explanation:

From the given options, Though is the only word which gives sense for the sentence. Hence, Though pompous he was an entertaining person.

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Filed Under: English
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