Single Choice

A colourless solution $$(X)$$ gives black precipitate on passing $$H_2S, (X)$$ also gives a white precipitate with stannous chloride which gradually changes to grey. What may be $$(X)$$?

A$$PbCl_2$$
B$$CdBr_2$$
C$$HgCl_2$$
Correct Answer
D$$Cu (NO_3)_2$$

Solution

SIMILAR QUESTIONS

Chemical Reactions and Equations

$$2H_{2}+O_{2}\rightarrow 2H_{2}O$$ What is the ratio between the reactant molecules in the above reaction?

Chemical Reactions and Equations

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Chemical Reactions and Equations

Which of the following statements are correct about the given reaction?

Chemical Reactions and Equations

Complete each synthesis by giving the missing starting material, reagent, or products.

Chemical Reactions and Equations

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Chemical Reactions and Equations

Differentiate between: Reactants and products.

Chemical Reactions and Equations

Fill in the blanks: The substances formed as a result of a chemical reaction are called..............

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