NEET UG CHEMISTRY MCQ: S-BLOCK ELEMENTS

1 Medium

1 of 1

Analyzing +4 | -1

A certain compound(X) when treated with copper sulphate solution yields a brown precipitate. On adding hypo solution, the precipitate turns white. The compound is

View answer and explanation

Correct option: B

KI

Option B (

KI

) is correct because

KI

reacts with copper sulphate to form

CuI_2

which decomposes to

CuI

(brown ppt) and

I_2

I_2

reacts with hypo to form colorless solution.

More Questions from S-BLOCK ELEMENTS

Practice All Chapter MCQs →

Which of the following exists in polymeric form? If 5 moles of

\mathrm{BaCl}_{2}

is mixed with 2 moles of

\mathrm{Na}_{3} \mathrm{PO}_{4}

, the maximum number of moles of

\mathrm{Ba}_{3}\left(\mathrm{PO}_{4}\right)_{2}

formed is ________ (Nearest integer) Alkali metal superoxides are obtained by the reaction of Pearl ash and caustic potash are chemically: When sodium chloride solution is electrolysed, the gas that is liberated at the cathode is What is product of reaction :

\underset {\text{(dilute)}}{Ba(OH)_2}+H_2O_2+ClO_2 \longrightarrow