1
JEE Main 2018 (Offline)
MCQ (Single Correct Answer)
+4
-1
Which of the following are Lewis acids?
A
BCl3 and AlCl3
B
PH3 and BCl3
C
AlCl3 and SiCl4
D
PH3 and SiCl4
2
JEE Main 2018 (Offline)
MCQ (Single Correct Answer)
+4
-1
Which of the following salts is the most basic in aqueous solution?
A
Pb(CH3COO)2
B
Al(CN)3
C
CH3COOK
D
FeCl3
3
JEE Main 2018 (Online) 15th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Following four solutions are prepared by mixing different volumes of NaOH and HCl of different concentrations, pH of which one of them will be equal to 1 ?
A
100 mL $${M \over {10}}$$ HCl + 100 mL $${M \over {10}}$$ NaOH
B
75 mL $${M \over {5}}$$ HCl + 25 mL $${M \over {5}}$$ NaOH
C
60 mL $${M \over {10}}$$ HCl + 40 mL $${M \over {10}}$$ NaOH
D
55 mL $${M \over {10}}$$ HCl + 45 mL $${M \over {10}}$$ NaOH
4
JEE Main 2018 (Online) 15th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
At a certain temperature in a $$5$$ $$L$$ vessel, 2 moles of carbon monoxide and 3 moles of chlorine were allowed to reach equilibrium according to the reaction,
         CO + Cl2 $$\rightleftharpoons$$ COCl2
At equilibrium, if one mole of CO is present then equilibrium constant (Kc) for the reaction is :
A
2
B
2.5
C
3
D
4
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