{ "@context": "https://schema.org", "@type": "Organization", "name": "Brainscape", "url": "https://www.brainscape.com/", "logo": "https://www.brainscape.com/pks/images/cms/public-views/shared/Brainscape-logo-c4e172b280b4616f7fda.svg", "sameAs": [ "https://www.facebook.com/Brainscape", "https://x.com/brainscape", "https://www.linkedin.com/company/brainscape", "https://www.instagram.com/brainscape/", "https://www.tiktok.com/@brainscapeu", "https://www.pinterest.com/brainscape/", "https://www.youtube.com/@BrainscapeNY" ], "contactPoint": { "@type": "ContactPoint", "telephone": "(929) 334-4005", "contactType": "customer service", "availableLanguage": ["English"] }, "founder": { "@type": "Person", "name": "Andrew Cohen" }, "description": "Brainscape’s spaced repetition system is proven to DOUBLE learning results! Find, make, and study flashcards online or in our mobile app. Serious learners only.", "address": { "@type": "PostalAddress", "streetAddress": "159 W 25th St, Ste 517", "addressLocality": "New York", "addressRegion": "NY", "postalCode": "10001", "addressCountry": "USA" } }

cation group analysis Flashcards

(28 cards)

1
Q

DETECTION OF PRESENCE OF ELEMENT IN SAMPLE MATERIAL

A

cation analysis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

CATION ANALYSIS IS ACCOMPLISHED THROUGH __________ REACTION BY ADDING GROUP REAGENTS

A

precipitation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

group 1 cations

A

hydrocholic acids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

group 2 cations

A

hydrogen sulfide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

group 3 cations

A

ammonium sulfide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

group 4 cations

A

ammonium carbonate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

group 5 cations

A

soluble group

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

hydrochloric acid is aka

A

silver group

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

precipitates with HS2 in dilute mineral acid medium

A

hydrogen sulfide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

precipitates with dilute HCl

A

hydrochloric acid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

is an insoluble solid that emerges from a liquid solution; chemical reaction between liquids

A

precipitate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

form precipitates with ammonium sulfide in neutral or ammoniacal medium

A

ammonium sulfide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

2 subgroups of ammonium sulfide

A

aluminum subgroup and iron subgroup

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

a group under ammonium sulfide that is amphoteric hydroxides; insoluble BUT dissolves in excess of sodium hydroxide

A

aluminum subgroup

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

insoluble in the excess of the alkali.

A

iron subgroup

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

elements under aluminum subroup

A

Al3+, Zn3+, Cr2+

17
Q

elements under iron subgroup

A

Fe2+, Fe3+ Mn2+, Co2+, Ni2+

18
Q

precipitates with ammonium carbonate in the presence of chloride in a neutral medium

A

ammonium carbonate

19
Q

do not react with mentioned reagents

A

soluble group

20
Q

elements under hydrochloric acid

A

Ag, Pb+2, Hg+2

21
Q

2 subgroups of hydrogen sulfide

A

copper and tin subgroup

22
Q

a subgroup under hydrogen sulfide that’s insoluble in sodium sulfide reagents

A

copper subgroup

23
Q

a subgroup under hydrogen sulfide that’s soluble in sodium sulfide reagents

24
Q

elements under copper subgroup

A

Pb, Cu, Cd, Bi

25
elements under tin subgroup
Hg+2, Sn+2, Sn+4, As+3, As+5, Sb+3, Sb+5
26
elements under ammonium carbonate
Mg2+, Ca2+, Sr2+, Ba2+
27
elements under group5 cations
Li+, Na+, K+, NH4+
28