Group Properties of Elements Group VI-B

Question 1

Group VI-B other name

Answer 1

chromium group

Question 2

Group VI-B elements

Answer 2

Chromium, Molybdenum, T ungsten, Uranium

Question 3

CHROMIUM (Cr):
RA/antioxidant

Answer 3

Cr2+

Question 4

CHROMIUM (Cr)
T race element (glucose tolerance factor);

Answer 4

Cr3+

Question 5

CHROMIUM (Cr)
present in brown sugar

Answer 5

Cr3+

Question 6

deficiency: Secondary hyperglycemia

Answer 6

Cr3+

Question 7

CHROMIUM (Cr)
T oxic ( Chromate Dichromate Precipitant,
Strong OA - K₂Cr₂O₇)

Answer 7

Cr6+

Question 8

CHROMIUM (Cr)
Precipitant (in Argentometric
Titration / Complexometry)

Answer 8

CrO₄⁻²

Question 9

CHROMIUM (Cr)
Strong OA (K₂Cr₂O₇)

Answer 9

Cr₂O₇⁻²

Question 10

T race element: Cofactor for flavin dependent enzymes,
xanthine oxidase

Answer 10

MOLYBDENUM (Mo)

Question 11

For bacterial fixation of atmospheric N2

Answer 11

MOLYBDENUM (Mo)

Question 12

Wolfram

Answer 12

TUNGSTEN (W)

Question 13

Use: Filaments in light bulbs (↑ Melting point, ↓ volatility)

Answer 13

TUNGSTEN (W)

Question 14

Discoverer: Becquerel (SI unit for radioactivity)

Answer 14

URANIUM (U)

Question 15

Radioactive element → atomic reactor / bomb

Answer 15

URANIUM (U)