Multiple Choice QuestionsBleaching powder is obtained by the interaction of chlorine with
concentrated solution of calcium hydroxide
dilute solution of calcium hydroxide
dry calcium oxide
dry slaked lime
Hypo is used in photography due to its
reaction with light
reducing property
oxidising property
complex forming nature
Which of the following is/are incorrect representation(s) of bleaching powder?
Ca2+(Cl2O)2+
Ca2+(ClO2)Cl2-
Ca2+(ClO+)Cl-
All of these
On mixing urea with nitrous acid, the composition of the products is
NH2-NH2 + CO2
N2 + C + H2O
NH3 + CO2 + H2O
N2 + CO2 + H2O
Mark out the correct decreasing order of ease of addition of halogen.
CH2=CH2 > CH3-CH=CH-CH3 > CH3-C(CH3)=CH2 > (CH3)2C=C(CH3)2
(CH3)2C=C(CH3)2 > CH3-C(CH3)=CH2 > CH3-CH=CH-CH3 > CH2=H2
(CH3)2C=C(CH3)2 > CH3-CH=CHCH3 > CH3-C(CH3)=CH2 > CH2=CH2
CH2=CH2 > CH3-C(CH3)=CH2 > CH3-CH=CH-CH3 > (CH3)2C=C(CH3)2
Which of the following statements is/are true about the P-Cl bonds in PCl5 ?
Three bonds are of one type and two of another type
Two bonds are of one type and three of another type
All the bonds are of the same type
both (a) and (b)
In the following Haber synthesis of NH3, the equilibrium constant for NH3, formation, on increase in temperature, is
decreased
increased
first decreased and then increased
not altered
Which one of the following represents the correct number of types of P-O bonds in P4O10?
1
2
3
4
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