# Q. Aqueous solution of a salt (A) forms a dense white precipitate with $BaCl_2$ solution. The precipitate dissolves in dilute HCl to produce a gas (B) which decolourises acidified $KMnO_4$ solution A and B respectively are :

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Solution:

## 1. The major product of the following reaction is

IIT JEE 2008 Haloalkanes and Haloarenes

## 2. The synthesis of alkyl fluorides is best accomplished by

JEE Main 2015 Haloalkanes and Haloarenes

## 3. The synthesis of alkyl fluorides is best accomplished by

JEE Main 2015 Haloalkanes and Haloarenes

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KCET 2020

## 9. Relative lowering of vapour pressure of a dilute solution of glucose dissolved in 1 kg of water is 0.002. The molality of the solution is

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## 10. Which cleansing agent gets precipitated in hard water?

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