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Q.

(I) Formation of NO gas from air is endothermic(II) Cu metal is oxidised to Cu2+ (aq.) ion which is blue in colour.(III) NO is paramagnetic and has one unpaired electron.(IV) NO reacts with O2 to produce NO2 which is linear in shapeChoose the correct statements:

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a

I, II, III

b

I, III

c

II, IV

d

I,II,III,IV

answer is A.

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.shape of nitrogen dioxide is angular
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