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Q:

The strongest interactions between molecules of hydrogen chloride are

A) dipole-dipole interactions B) hydrogen bonds
C) covalent bonds D) ionic bonds
 
Answer & Explanation Answer: A) dipole-dipole interactions

Explanation:
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Filed Under: Chemistry
Exam Prep: Bank Exams

Q:

Which of the following compounds is the strongest acid?

A) p-nitrophenol B) phenol
C) m-nitrophenol D) p-cresol
 
Answer & Explanation Answer: A) p-nitrophenol

Explanation:
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Filed Under: Chemistry
Exam Prep: Bank Exams

Q:

Which among the following compounds has the strongest hydrogen bond?

A) HI B) HCl
C) HF D) HBr
 
Answer & Explanation Answer: C) HF

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Filed Under: Chemistry
Exam Prep: Bank Exams

Q:

Which of the following is the strongest base?

A) LiCH3 B) LiF
C) LiOH D) LiNH2
 
Answer & Explanation Answer: A) LiCH3

Explanation:

The stability of the ions is determined by the energy of the lone pairs. Carbon has the least effective nuclear charge (Zeff) and so the lone pair on the CH3− ion has the highest energy, making it the least stable ion and so the strongest base. The Zeff increases as we move across the period until we get to fluorine which has the greatest Zeff and so its lone pairs have the lowest energy, making F− the least basic ion.

 

In order of decreasing basicity they are ranked LiCH3 > LiNH2 > LiOH > LiF. We are dealing with the ions F−, OH−, NH2− and CH3− and so the factor which influences their basicity is the stability of the ion compared to its conjugate acid.

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Filed Under: Chemistry
Exam Prep: GATE , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk , Analyst

Q:

Which of the following is the strongest acid?

A) ClCH2COOH B) BrCH2COOH
C) FCH2COOH D) ICH2COOH
 
Answer & Explanation Answer: C) FCH2COOH

Explanation:

Which_of_the_following_is_the_strongest_acid1552992978.jpg image

FCH2COOH is the strongest acid out of all.

Since the electron withdrawing inductive effect (-I effect) of the halogens decreases in the order of F>Cl> Br> I , therefore the acidic strength of the α- halo acids decreases in the same order.

 

FCH2COOH  >  ClCH2COOH   >   BrCH2COOH   >   ICH2COOH.

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk

Q:

'My strongest bulwark is gone' lamented Gandhiji on the death of 

A) Gopalakrishna Gokhale B) Motilal Nehru
C) Pherozeshah Mehta D) Bal Gangadhar Tilak
 
Answer & Explanation Answer: D) Bal Gangadhar Tilak

Explanation:
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Filed Under: Indian History

Q:

Which is the strongest force in the universe?

Answer

Nuclear Force

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Subject: Physics

Q:

Lou observes that if flight 409 is canceled, then the manager could not possibly arrive in time for the meeting. But the flight was not canceled. Therefore, Lou concludes, the manager will certainly be on time. Evelyn replies that even if Lou's premises are true, his argument is fallacious. And therefore, she adds, the manager will not arrive on time after all.

 

Which of the following is the strongest thing that we can properly say about this discussion?

A) Evelyn is mistaken in thinking Lou's argument to be fallacious, and so her own conclusion is unwarranted. B) Evelyn is right about Lou's argument, but nevertheless her own conclusion is unwarranted.
C) Both A and B D) None
 
Answer & Explanation Answer: B) Evelyn is right about Lou's argument, but nevertheless her own conclusion is unwarranted.

Explanation:

Only option b will be apt among all the statements above

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Filed Under: Deriving Conclusions From Passages