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Q41) Which of the following represents the correct order of increasing pKa values of the given acids? [ IAS prelims 1993]




SOLUTION

Stronger than acid lower the value of pKa
More the oxidation number of central atom stronger the acid
Answer: (a)


Q42) When chlorine is passed over dry slaked lime at room temperature, the main reaction product is [ CBSE PMT 1992]




SOLUTION

Ca(OH)2 + Cl2 → CaOCl2 + H2O
Answer: (c)


Q43) Which one of the following is most basic [ AFMC 1994]



SOLUTION

Down the group basic character increases
Answer:(d)



Q44) the shape of IF7 molecule is [ EAMCET 1994]



SOLUTION


Answer: (d)


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