Which of the following is the weakest acid? A Phenol ( K a = 1 . 3 × 1 0 − 1 0 ) B Hydrocyanic acid ( K a = 4 . 9 × 1 0 − 1 0 ) C Acetic acid ( K a = 1 . 8 × 1 0 − 1 0 ) D Benzoic acid ( K a = 6 . 5 × 1 0 − 1 0 )

Question

Which of the following is the weakest acid? A Phenol ( K a ​ = 1 . 3 × 1 0 − 1 0 ) B Hydrocyanic acid ( K a ​ = 4 . 9 × 1 0 − 1 0 ) C Acetic acid ( K a ​ = 1 . 8 × 1 0 − 1 0 ) D Benzoic acid ( K a ​ = 6 . 5 × 1 0 − 1 0 )

Adarsh Pal · Answer

Which ofthe following is the weakest acid ? (1) Phenol(K = 1.3x10-10)(2) Hydrocyanic acid (K = 4.9x10-19)(3) Acetic acid (K = 1.8 x10-5)(4) Benzoic acid (K = 6.5 x10-) The pH of 0.1 M monobasic acid is 4.50. The acidity constant(K) ofthe monobasic acid is-(2)1.0 x 10-5 (3)1.0 x104 (1)1.0 x 10-7 (4)1.0 x10-4 8. Which ofthe following is the strongest base ? 13 CH NHCH.

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Which of the following is the weakest acid? A Phenol ( K a = 1 . 3 × 1 0 − 1 0 ) B Hydrocyanic acid ( K a = 4 . 9 × 1 0 − 1 0 ) C Acetic acid ( K a = 1 . 8 × 1 0 − 1 0 ) D Benzoic acid ( K a = 6 . 5 × 1 0 − 1 0 )

Which of the following is the weakest acid?
A
Phenol (Ka=1.3×10−10)
B
Hydrocyanic acid (Ka=4.9×10−10)
C
Acetic acid (Ka=1.8×10−10)
D
Benzoic acid (Ka=6.5×10−10)

Which of the following is the weakest acid?

Phenol (Ka=1.3×10−10)

Hydrocyanic acid (Ka=4.9×10−10)

Acetic acid (Ka=1.8×10−10)

Benzoic acid (Ka=6.5×10−10)

1 Answers

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Which of the following is the weakest acid? A Phenol ( K a ​ = 1 . 3 × 1 0 − 1 0 ) B Hydrocyanic acid ( K a ​ = 4 . 9 × 1 0 − 1 0 ) C Acetic acid ( K a ​ = 1 . 8 × 1 0 − 1 0 ) D Benzoic acid ( K a ​ = 6 . 5 × 1 0 − 1 0 )

Which of the following is the weakest acid?APhenol (Ka​=1.3×10−10)BHydrocyanic acid (Ka​=4.9×10−10)CAcetic acid (Ka​=1.8×10−10)DBenzoic acid (Ka​=6.5×10−10)

Which of the following is the weakest acid?

Phenol (Ka​=1.3×10−10)

Hydrocyanic acid (Ka​=4.9×10−10)

Acetic acid (Ka​=1.8×10−10)

Benzoic acid (Ka​=6.5×10−10)

1 Answers

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Which of the following is the weakest acid? A Phenol ( K a = 1 . 3 × 1 0 − 1 0 ) B Hydrocyanic acid ( K a = 4 . 9 × 1 0 − 1 0 ) C Acetic acid ( K a = 1 . 8 × 1 0 − 1 0 ) D Benzoic acid ( K a = 6 . 5 × 1 0 − 1 0 )

Which of the following is the weakest acid?
A
Phenol (Ka=1.3×10−10)
B
Hydrocyanic acid (Ka=4.9×10−10)
C
Acetic acid (Ka=1.8×10−10)
D
Benzoic acid (Ka=6.5×10−10)

Phenol (Ka=1.3×10−10)

Hydrocyanic acid (Ka=4.9×10−10)

Acetic acid (Ka=1.8×10−10)

Benzoic acid (Ka=6.5×10−10)