Assertion : Although fluorine is more electronegative than chlorine, p-chlorobenzoic acid is a stronger acid than p-fluorobenzoic acid. Reason : Due t

Monjur Alahi

Assertion : Although fluorine is more electronegative than chlorine, p-chlorobenzoic acid is a stronger acid than p-fluorobenzoic acid.
Reason : Due to mathcing size of 2p-orbitals of F and C, F has stronger +R effect than Cl.
A. If both assertion and reason are correct and reason is correct explanation for assertion.
B. If both assertion and reason are correct but reason is not correct explanation for assertion.
C. If assertion is correct but reason is incorrect.
D. If assertion and reason are both incorrect.


0 like 0 dislike
2 views
Share with your friends

1 Answers

Salim Ahmed Kawsar

Call

Correct Answer - A
(a) Reason is correct explanation for assertion

0 like 0 dislike
2 views
Talk Doctor Online in Bissoy App
Fluorine atom contains seven electrons in outermost shell, but its valency is ‘1’. Predict the reason. 

B) It can loss only one electron from the valency shell.

2 Answers 2 views
Steam produces more severe burns than boiled water, because steam contains energy of ……………. more than that of boiled water.

B) latent heat of vapourisation

2 Answers 1 views
This fibre is stronger than any other fibre  A) rayon 

Correct option is D) nylon

2 Answers 1 views
Assertion: Hoffmann’s bromamide reaction is given by primary amines. Reason: Primary amines are more basic than secondary amines.

(iii) Assertion is correct statement but reason is wrong statement.

2 Answers 11 views
Assertion . Molecular nitrogen is less reactive than molecular oxygen. Reason. The bond length of `N_(2)` is shorter than that of oxygen .

Correct Answer - a R is the correct explanation of A .

2 Answers 1 views
Assertion (A) Following reaction proceed better with KF than with NaF. Reasons (A) `-C-Cl+MF rarr-F+MCl` Reason (A) K is more reactive than Na.

Correct Answer - B Reason. Large cation stabilises larger anion.

2 Answers 1 views
Assertion (A) : `Tl^(3+)` acts as an oxidising agent. Reason (R) : Due to inert pair effect `Tl^(+)` is more stable than `Tl^(3+)`.

Correct Answer - A Both assertion and reason are correct.

2 Answers 1 views
Assertion : A certain element X, forms binary compounds with chlorine containing 59.68%, 68.95 % and 74.75% chlorine respctively. These data illustrat

Correct Answer - A Both assertion and reason are true and reason is the correct explanation of assertion.

2 Answers 1 views
Assertion: The reactivity order for `S_(N)1` reation is `Ar_(3)CXgtAr_(2)CHXgtArCH_(2)X` Reason: More is the stability of carbocation more readily mom

Correct Answer - A Both assertion and reason are true and the reason is the correct explanation of the assertion .

2 Answers 1 views
Assertion : Benzoic acid is a weaker acid than formic acid. Reason : Phenyl group destabilises the carboxylate anion due to conjugation.

Correct Answer - A (a) Reason is the correct explanation for assertion.

2 Answers 5 views
X