MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Carboxylic Acids

A student dip...

Question

A student dipped a pH paper in an unknown liquid. Orange colour was obtained. The unknown solution can be:

A

Acetic acid

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

Ethanoic acid

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

Sodium carbonate

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

Both acetic acid and ethanoic acid

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D
Both acetic acid and ethanoic acid

Both acetic acid and ethanoic acid can turn the pH paper orange.

Suggest Corrections

thumbs-up

0

Similar questions

Q. When the strip of pH paper was put in a given solution, the pH paper changed to orange red. The given solution is most likely to be of :
(1) sodium hydroxide
(2) hydrochloric acid
(3) sodium bicarbonate
(4) ethanoic acid

Q. Consider an acidic buffer solution of acetic acid and sodium acetate at

25^{o} C

. What should be the ratio of concentration of sodium acetate and acetic acid so that

p H = 5

is obtained ?

Given :

K_{a}

value of acetic acid is

1.8 \times 10^{- 5}

{log}_{10} 1.8 = 0.25 and 10^{(0.25)} = 1.8

A buffer solution of pH = 5.15 is to be prepared from acetic acid (Ka =

$1.80x10^5$ ), sodium acetate and water. What must be the molar ratio of acetate ion to acetic acid in this solution to obtain this pH?

Q. An unknown substance ‘X’ shows the following properties as given below.
a) Dissociates in water to give ions.
b) The aqueous solution turns methyl orange solution from orange to yellow.
c) The aqueous solution is a very good conductor of electricity.

‘X’ can be

Q. Vinay was trying to create Sodium acetate, he added ethanoic acid and 'A' in an open vessel to concentrated H2SO4 and was surprised when the solution gave a sweet effervescence. So he started again in a closed vessel and obtained ethyl acetate. Then he added 'B' and create Sodium acetate. Find a and b

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Carboxylic Acid

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Carboxylic Acids

Standard X Chemistry

Join BYJU'S Learning Program

CrossIcon