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Coordination compounds, Quizzes of Chemistry

Chemistry

Answer key pdf for chemistry coordination compounds

Typology: Quizzes

2024/2025

Uploaded on 11/09/2025

nancy-vikash
nancy-vikash 🇮🇳

3 documents

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ANSWER KEYS :
Q.N
O
ANSWERS
1. (d) 1 mole of AgNO3 precipitates one free chloride ion (CI-). Here, 3 moles of AgCl
are precipitated by excess of AgNO3. Hence, there must be three free Cl- ions. So,
the formula of the complex can be [Cr(H2O)6]Cl3 and correct choice is (d).
2.
3.
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ANSWER KEYS :

Q.N

O

ANSWERS

  1. (d) 1 mole of AgNO 3 precipitates one free chloride ion (CI-). Here, 3 moles of AgCl are precipitated by excess of AgNO 3. Hence, there must be three free Cl-^ ions. So, the formula of the complex can be [Cr(H 2 O) 6 ]Cl 3 and correct choice is (d).

  4. (b) Here, out of given four options standards reduction potential of chromium has highest negative value hence most powerful reducing agent is chromium.

9. (d) refer lead storage battery

II)

III)

23. (i) phenol to anisole

28. Corrosion is the process of slowly eating away of the metal due to attack

of the atmospheric gases on the surface of the metal resulting into the

formation of compounds such as oxides, sulphides, carbonates, etc. e

corrosion of iron is called rusting.

Electrochemical theory of rusting of iron : According to electrochemical

theory of rusting the impure iron surface behaves like small

electrochemical cell. In this any point of iron acts as anode and other iron

surface acts as cathode. Moisture having dissolved CO 2 or O 2 acts as an

electrolyte. e reactions are given below.

  1. Theoretical OR

OR