#2 | 15th Group: Properties: II
(Chemistry) > The p-Block Elements (XII)
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Related Practice Questions :

Concentrated nitric acid reacts with iodine to give:

(1) HOI

(2) HI

(3) HIO3

(4) HIO4

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Among the following compounds, which on heating do not produce N2?

(1) (NH4)2Cr2O7

(2) NH4Cl+NaNO2

(3) NH4Cl+CaO

(4) Ba(N3)2

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In which process does the nitrogen undergo oxidation?

(1) N2 2NH3

(2) N2O 2NO2

(3) NO3 N2O5

(4) NO2NO3-

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White phosphorous reacts with calcium to form a certain compound which on hydrolysis produces

1. PH3

2. H3PO4

3. P4O6

4. P4O10

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It is because inability of ns2 electrons of the valence shell to participate in bonding that

(a) Sn2+ is reducing while Pb4+ is oxidising agent

(b) Sn2+ is oxidising while Pb4+ is reducing agent

(c) Sn2+ and Pb2+ are both oxidising and reducing agent

(d) Sn4+ is reducing while Pb4+ is oxidising agent

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