Topic: p-Block Elements, Test No.: 04, Total MCQs: 10
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Question 1 |
Which of the following molecules has trigonal planner
geometry [CBSE AIPMT 2005]
NH3 | |
BF3 | |
PCl3 | |
IF3 |
Question 2 |
Which is the
most easily liquefiable rare gas? [Karnataka CET 2008]
Xe | |
Kr | |
Ar | |
Ne |
Question 3 |
NO2 is not obtained on heating [WB-JEE 2011]
AgNO3 | |
KNO3 | |
Cu(NO3)2 | |
Pb(NO3)2 |
Question 4 |
Which is the most thermodynamically stable allotropic form of
phosphorus? [IIT-JEE 2005]
red | |
white | |
black | |
yellow |
Question 5 |
Among the halogens, the one which is oxidised by
nitric acid is: [Karnataka CET 2004]
Chlorine | |
Bromine | |
Fluorine | |
Iodine |
Question 6 |
Which compound has the maximum number of lone pair of
electrons on the central atom? [IIT-JEE 2005]
[ClO3]– | |
XeF4 | |
SF4 | |
[I3]– |
Question 7 |
In XeF2, XeF4, XeF6
molecules, the number of lone pairs of Xe are respectively [AIEEE 2002]
2, 3 and 1 | |
1, 2 and 3 | |
4, 1 and 2 | |
3, 2 and 1 |
Question 8 |
Roasting of sulphides gives the gas X as a byproduct This is a
colorless gas with choking smell of burnt sulphur and causes great damage to
respiratory organs as a result of acid rain. Its aqueous solution is acidic
acts as a reducing agent and its acid has never been isolated. The gas X is [NEET
2013]
SO2 | |
CO2 | |
SO3 | |
H2S |
Question 9 |
The correct IUPAC name for [CrF2(en)2]Cl is:
[NEET
2013]
Chloro difluoridobis (ethylene diamine) chromium (III) | |
Chloro difluorido ethylene diaminechromium (III) chloride | |
Difluoridobis (ethylene diamine) chromium (III) chloride | |
Difluorobis-(ethylene diamine) chromium (III) chloride |
Question 10 |
Which one of the following is the correct statement? [AIEEE
2008]
Boric acid is a protonic acid | |
Beryllium exhibits coordination number of six | |
Chlorides of both beryllium and aluminium have bridged
chloride structures in solid phase | |
B2H6.2NH3 is known as
‘inorganic benzene’ |
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