Topic: p-Block Elements, Test No.: 04, Total MCQs: 10
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Which of the following molecules has trigonal planner geometry [CBSE AIPMT 2005]
Which is the most easily liquefiable rare gas? [Karnataka CET 2008]
NO2 is not obtained on heating [WB-JEE 2011]
Which is the most thermodynamically stable allotropic form of phosphorus? [IIT-JEE 2005]
Among the halogens, the one which is oxidised by nitric acid is: [Karnataka CET 2004]
Which compound has the maximum number of lone pair of electrons on the central atom? [IIT-JEE 2005]
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
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]
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
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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