Salt Analysis > Tests For S²- > Flashcards

Tests For S²- Flashcards

(8 cards)

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1
Q

S²- + dil HCl

A

H2S

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2
Q

H2S + Pb(CH3COO)2 mention ppt colour

A

PbS(black)

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3
Q

H2S + Cd(CH3COO)2 mention ppt colour

A

CdS(yellow)

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4
Q

Does H2S decolourize KMnO4 solution? What does it form?

A

Yes, Mn²+

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5
Q

H2S + Cr2O7²- acidic medium

A

Cr³+ S(white ppt) + water

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6
Q

AgNO3 + Na2S mention ppt colour

A

Ag2S (black)+ NaNO3

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7
Q

S²- + Na2[Fe(CN)5NO] (sodium nitroprusside)
mention solution colour

A

[Fe(CN)5NOS]⁴- (purple)

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8
Q

What product is formed when H2S reacts with para N,N- Dimethyl aniline

A

Methylene blue

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