Chemistry
Assertion (A): If barium nitrate solution is added to sodium sulphate solution, a white precipitate is formed.
Reason (R): Sodium sulphate solution is white in colour.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Practical Chemistry
1 Like
Answer
A is true but R is false.
Explanation— When barium nitrate solution is added to sodium sulphate salt solution, white precipitate which is insoluble in water is formed. White precipitate is soluble in dil. HCl. Hence, the assertion (A) is true.
Sodium sulphate solution is a colourless solution. Hence, the reason (R) is false.
Answered By
1 Like
Related Questions
Assertion (A): On passing H2S through lead nitrate solution, a black precipitate is formed.
Reason (R): Lead nitrate reacts with H2S to form a black precipitate of PbS.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Assertion (A): Chloride can be tested by adding concentrated sulphuric acid to it. A colourless gas with a pungent odour is evolved.
Reason (R): The gas formed is chlorine.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Match the gases in column I to the identification of the gases mentioned in column II
Column I Column II (a) Hydrogen sulphide A. Turns acidified potassium dichromate solution green (b) Nitric oxide B. Turns lime water milky (c) Carbon dioxide C. Turns reddish brown when it reacts with oxygen (d) Sulphur dioxide D. Turns moist lead acetate paper silvery black Identify the following substances :
(a) An alkaline gas which gives dense white fumes with hydrogen chloride.
(b) The gas has an offensive smell like rotten eggs.
(c) A colourless gas which can be used as a bleaching agent.