SATHEE: P Block Elements Question 350

P Block Elements Question 350

Question: Hypo is used in photography to

[CBSE PMT 1988; Pb. CET 1989]

Options:

A) Reduce $ AgBr $ grains to metallic silver

B) Convert the metallic silver to silver salt

C) Remove undecomposed silver bromide as a soluble complex

D) Remove reduced silver

Show Answer

Answer:

Correct Answer: C

Solution:

$ AgBr+2Na_2S_2O_3\to Na_3[Ag{{(S_2O_3)}_2}]+NaBr $

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P Block Elements Question 350

Question: Hypo is used in photography to

Options:

Answer:

Solution:

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