CBSE BOARD X, asked by khushichiya, 1 year ago

explain how:-
(I) 2KBr + BaI2 -> 2KI + BaBr2 a precipitation reaction.
(II) H2 + Cl2 -> 2HCl a photochemical decomposition reaction..

Answers

Answered by punitsehrawat03

IN first equatioo the ions of the compound are exchange and form a insoluble compound (KI) IN second equation two element combines to form the single substance (hcl) is formed is called combination reaction not photo decomposition it done in presence of sunlight so it is called photochemical

khushichiya: Ya, it's photochemical combination reaction but why is it photochemical?

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