Topic: p-Block Elements, Test No.: 03, Total MCQs: 10
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Question 1 |
Which is the strongest acid in the following? [NEET
2013]
HClO3 | |
HClO4 | |
H2SO3 | |
H2SO4 |
Question 2 |
Which of the following does not give oxygen on heating? [NEET
2013]
Zn(ClO3)2 | |
K2Cr2O7 | |
(NH4)2Cr2O7 | |
KClO3 |
Question 3 |
XeF2 is isostructural with [NEET 2013]
ICl2– | |
SbCl3 | |
BaCl2 | |
TeF2 |
Question 4 |
The pair of species that has the same bond order in the following
is: [NEET
2013]
O2, B2 | |
CO, NO+ | |
NO–, CN– | |
O2, N2 |
Question 5 |
Which one of the following is an amphoteric oxide? [AIEEE
2003]
ZnO | |
Na2O | |
SO2 | |
B2O3 |
Question 6 |
Which blue liquid is obtained on reacting equimolar
amounts of two gases at -30°C? [IIT-JEE 2005]
N2O | |
N2O3 | |
N2O4 | |
N2O5 |
Question 7 |
Which of the following is arranged in the increasing
order of enthalpy of vaporisation? [AIIMS 2004]
NH3, AsH3, PH3 | |
AsH3, PH3, NH3 | |
NH3, PH3, AsH3 | |
PH3, AsH3, NH3 |
Question 8 |
Molecules of
a noble gas do not possess vibrational energy because a noble gas ______. [Karnataka
CET 2010]
is chemically inert | |
is monoatomic | |
is diamagnetic | |
has completely filled shells |
Question 9 |
Which of the following statements is true? [AIEEE 2006]
H3PO3 is a stronger acid than H2SO3 | |
In aqueous medium HF is a stronger acid than HCl | |
HClO4 is a weaker acid than HClO3 | |
HNO3 is a stronger acid than HNO2 |
Question 10 |
The decreasing values of bond angles from NH3 (106°) to
SbH3 (101°) down group-15 of the periodic table is due to [AIEEE
2006]
increasing bp-bp repulsion | |
increasing p-orbital character in sp3 | |
decreasing lp-bp repulsion | |
decreasing electronegativity |
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