Chemistry · JEE

Important Questions: Importance of coordination compounds (in qualitative analysis, extraction of metals and in biological systems) for JEE

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Part of Coordination Compounds in JEE Main Chemistry.

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Q1ChemistryUnit 12: Coordination Compounds

Formation of volatile

N i(C O)_{4}

and its subsequent heating gives pure Ni This process is called

Q2ChemistryUnit 12: Coordination Compounds

The idea of froth floatation method came from a person

X

and this method is related to the process

Y

of ores.

X

and Y, respectively, are:

Q3ChemistryUnit 12: Coordination Compounds

Assertion Metals of high impurity are obtained by zone-refining. Reason Impurities in the ore are more soluble in the metal than in the pure metal Choose the correct option.

Q4ChemistryUnit 12: Coordination Compounds

Assertion: For the extraction of iron, haematite ore is used. Reason: Haematite is a carbonate ore of iron.

Q5ChemistryUnit 12: Coordination Compounds

The following reaction happens in which test?

\boldsymbol{N} \boldsymbol{a}_{2} \boldsymbol{S}+\boldsymbol{N} \boldsymbol{a}_{2}\left[\boldsymbol{F} e(\boldsymbol{C} \boldsymbol{N})_{5} \boldsymbol{N} \boldsymbol{O}\right] \longrightarrow

N a_{4}\left[F e(C N)_{5} N O S\right]

Q6ChemistryUnit 12: Coordination Compounds

Silver is extracted from

A g_{2} S

Q7ChemistryUnit 12: Coordination Compounds

The disodium salt of ethylene diamine tetracetic acid can be used to estimate the following ion(s) in the aqueous solution.

Q8ChemistryUnit 12: Coordination Compounds

The first step in the hydrometallurgical process is

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