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1 D and F Block Elements

On addition of AgNO₃ to four different test tubes containing different solutions, one of them gave a white precipitate. It may contain

1) CHCl₃
2) CaCl₂
3) KNO_3???????
4) CCl₄

Option 1

Option 2 Solution:

Solution

When silver nitrate is added to a test tube containing calcium chloride, a white precipitate of silver chloride is obtained.
$$2AgNO_3+CaCl_2 \rightarrow \underset {white precipitate} {2AgCl \downarrow} + Ca(NO_3)_2$$

Hence, the test tube may contain $$CaCl_2$$.

Option 3

Option 4

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