Question

1.electro gain enthalpy of noble gases is:- (a)high(b)less(c) Very high (d)0

2.oxidation no of cl in hocl is
(a)-1(b)0(c)+1(d)+2
3.By product of solvary process is
(a)Co2(b)NH3(c)caco3(d)Cacl2
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Answer 1

Answer:

(A) Co2

Explanation:

in hocl in this gain

Answer 2

Answer:

1)

electron gai. enthaphy of noble gases is zero . d option

because they contain all paired electron and have a no space to another electron.

2).Oxidation. number of Cl in hocl is +1 option c

3)calcium chloride Cacl2 is an byproduct in Aqaus solution. in slvary process option

D.