Question

You are given dilute sulphuric acid. What is the effect of it on the followin
(b) Blue Litmus (c) Phenolphthalein
10
di
d? What are the colour changes ob​

Answer 1

Answer:

( 1 ) red litmus paper remain same when dipped in sulphuric acid

( 2 ) Blue litmus paper turns red when dipped in sulphuric acid

( 3 ) phenolphthalein turns colorless if dipped in sulphuric acid

Explore more about acids :

Sulphuric Acid :

Sulphuric acid is also known as oil of vitriol , is a mineral acid composed of the elements sulphur , oxygen and hydrogen with molecular formula H2  SO4 . It is color less odourless and viscous liquid that is soluble in water and is synthesized in reactions that are highly exothermic .

Citric acid :

Citric acid is a weak organic acid that has a molecular formula C 6 H 8 O 7 . It occurs naturally in the citrus fruits. In biochemistry it is an intermidiate in the citric acid cycle , which occurs in the metabolism of all aerobic organism

Carbonic acid :

In carbonic acid is a dibasic acid with the chemical formula H2 CO3 . The pure compound decomposes at temperatures greater than ca - 80 degree celsius . carbonic acid is an important component in ocean acidification .

Hydrochloric acid :

Hydrochloric acid or the muriatic acid is a colorless inorganic chemical system with the formula HCI . Hydrochloric acid has a distinctive pungent smell . It is classified as strongly acidic and can attack the skin over a wide composition range , since the hydrogen chloride completely dissociates in an aqueous solution .

Nitric acid :

Nitric acid also known as aqua fortis ( latin word for " strong water " ) is a highly corrosive mineral acid . The pure compound is colorless , but older samples tend to acquire a yellow class due to decomposition into oxides of nitrogen and water .Most commercially available nitric acid has a concentration of 68% in water . when the solution contains more than 68% HNO3 , it is referred to as fuming nitric acid .

Explanation: