s and p blocks elements mcqs

1.	Which one of the following has metallic radii? a) Sodium b) Magnesium c) Aluminium d) silicon	D
2.	ionization energy of 3rd period break down at a) Al and S b) Na and Mg c) Si and P d) Cl and Ar	A
3.	Which one of the fsollowing is best conductor? a) Na b) Mg c) Al d) Si	C
4.	Which one has high melting point? a) Na b) Mg d) Al d) Si	D
5.	Which one has highest boiling point? a) Na b) Mg c) Al d) Si	D
6.	Which one of the following has highest boiling point and melting point? a) P b) S c) Cl d) Ar	B
7.	Which one of the following forma normal oxide and peroxide? a) Na b) Mg c) Al d) Si	A
8.	Which one of the following is colourless fuming liquid? a) PCl3 b) PCl5 c) S2Cl2 d) Non of these	A
9.	Which oxide has highest boiling point and meting point? a) Na b) Mg c) Al d) Si	B
10.	Which one the following oxide does not react with water? a) Sodium oxide b) Magnesium oxide c) Aluminum oxide d) Chlorine oxide	C
11.	Which one of the following is basic? a) Calcium oxide b) Aluminium oxide c) Silicon oide d) Chlorine oxide	A
12.	Which one has highest boiling point and melting point? a) Sodium oxide b) Magnesium oxide c) Aluminium oxide d) Silicon oxide	A
13.	Which one is lighter than sodium? a) Rubidium b) Potassium c) Fransium d) Cesium	B
14.	Which of the following only forms normal oxide? a) Lithium b) Sodium c) Magnesium d) Aluminium	A
15.	Which one gives hydrogen peroxide and oxygen on reacting water and HCl? a) Normal oxide b) Peroxide c) Superoxide d) All of these	C
16.	Which one of the following carbonates decomposes? a) Lithium carbonate b) Sodium carbonate c) Potassium carbonate d) Rubidium carbonate	A
17.	Which one the following elements form covalent compounds? a) Be b) Mg c) Al d) Si	A
18.	Aluminium and Beryllium oxides and hydroxides are; Acidic Basic Amphoteric	C
19.	Which one of the chloride is unstable? a) Carbon tetrachloride b) Silicon tetrachloride c) Germanium tetrachloride d) Tin tetrachloride	D
20.	The geometry of SiO2 is a) Linear b) Triangular c) Tetrahedral d) Non of above	C
21.	Electron affinity trend of Group VII is a) Cl > Br > F >I b) Br > Cl > F >I c) Br > F > Cl  >I d) Br Cl > F >I	A
22.	Which one of the following hydrogen halides has highest bond enthalpy value? a) HF b) HCl c) HBr d) HI	A
23.	Which one of the following halogen has highest bond enthalpy value? a) F2 b) Cl2 c) Br2 d) I2	B
24.	Be reduce the oxidation state of Sulphur from +6 to  a) +1 b) +2 c) +3 d) +4	D
25.	Iodine reduce the oxidation state of Sulphur from +6 to  a) -1 b) -2 c) -3 d) -4	B