WB JEE 2019 | Coordination Compounds Question 12 | Chemistry

WB JEE 2019

MCQ (Single Correct Answer)

-0.33

The conductivity measurement of a coordination compound of cobalt (III) shows that it dissociates into 3 ions in solution. The compound is

hexaamminecobalt (III) chloride

pentaamminesulphatocobalt (III) chloride

pentaamminechloridocobalt (III) sulphate

pentaamminechlkoridocobalt(III) chloride

WB JEE 2018

MCQ (Single Correct Answer)

-0.33

The main reason that SiCl₄ is easily hydrolysed as compared to CCl₄ is that

Si $$-$$ Cl bond is weaker than C $$-$$ Cl bond

SiCl₄ can form hydrogen bonds

SiCl₄ is covalent

Si can extend its coordination number beyond four

WB JEE 2018

MCQ (Single Correct Answer)

-0.33

Silver chloride dissolves in excess of ammonium hydroxide solution. The cation present in the resulting solution is

$${[Ag{(N{H_3})_6}]^ + }$$

$${[Ag{(N{H_3})_4}]^ + }$$

Ag⁺

$${[Ag{(N{H_3})_2}]^ + }$$

WB JEE 2018

MCQ (Single Correct Answer)

-0.33

Ferric ion forms a Prussian blue precipitate due to the formation of

$${K_4}[Fe{(CN)_6}]$$

$${K_3}[Fe{(CN)_6}]$$

$$Fe{(CNS)_3}$$

$$F{e_4}{[Fe{(CN)_6}]_3}$$

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