MyQuestionIcon

2

You visited us 2 times! Enjoying our articles? Unlock Full Access!

Molarity

Even in the a...

Question

Even in the absence of group II, colloidal yellowish ppt appears on passing $H_{2} S$ gas; it may be due to the presence of Oxidising agent (like ${S O}_{3}^{2 -}, {N O}_{3}^{-}$ ) .

If the given statement is true enter 1 else enter 0.

Open in App

Solution

Even in the absence of group II, colloidal yellowish ppt appears on passing $H_{2} S$ gas; it may be due to the presence of oxidising agent (like ${S O}_{3}^{2 -}, {N O}_{3}^{-}$ ) which oxidizes sulphide ion of hydrogen sulphide to free sulphur.
$S^{2 -} o x i d i z i n g a g e n t - -------- \to S ↓$

Suggest Corrections

thumbs-up

0

Similar questions

Q. You have been given an inorganic mixture with a knowledge that group II is absent but when

H_{2} S

gas is passed into the mixture acidified with dilute

H C l

, yellowish turbidity appears due to presence of sulphur.

If true enter 1, else enter 0.

Mercury in the presence of ozone is oxidised to mercuric oxide.

If the given statement is true enter 1 else enter 0.

H_{2} S O_{4}

cannot be used to dry up

H_{2} S

because it oxidises

H_{2} S

S O_{2}

S

.
If true enter 1, else enter 0.

Q. Precipitation of

{C d}^{2 +}

{C u}^{2 +}

takes place in presence of dil.

H C l

H_{2} S

If the given statement is true enter 1, else enter 0.

Q. Addition of one drop of

{H N O}_{3}

in group (III) analysis is to oxidise

{F e}^{2 +}

{F e}^{3 +}

If the given statement is true enter 1 else enter 0.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Reactions in Solutions

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Standard XII Chemistry

Join BYJU'S Learning Program

CrossIcon