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Old April 2nd, 2014, 04:27 PM
Sashwat's Avatar
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Default Re: Sample Paper for AIIMS

The All India Institute of Medical Sciences (AIIMS) will be conducting its entrance test for admission to the MBBS course.

The AIIMS MBBS Entrance Exam that will be 3.5 hours long, consisting of 200 objective type questions from Physics, Chemistry, Biology and General Knowledge.
The distribution of the questions is as follows:

Question paper:

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Old December 22nd, 2014, 01:23 PM
Rahul Parik
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Join Date: Dec 2011
Default Re: Sample Paper for AIIMS

As you want to get AIIMS sample paper so here I am giving you some questions of that paper:

Which one of the following is the correct statement?
i. Chlorides of both beryllium and aluminium have bridged chloride structures in solid phase.
ii. B2H6.2NH3 is known as 'inorganic benzene'.
iii. Boric acid is a protonic acid.
iv. Beryllium exhibits coordination number of six.
Sol: Becl2 and Alcl3 both have bridged structure in solid phase.
B3N3 H6 is known as inorganic benzene.
Boric acid is Lewis acid.
Beryllium exhibits coordination number of 4

The pKa of a weak acid, HA is 4.80. The pKb of a weak base, BOH, is 4.78. The pH of an aqueous solution of
the corresponding salt, BA, will be
i. 7.01
ii. 9.22
iii. 9.58
iv. 4.79

Amount of oxalic acid present in a solution can be determined by its titration with KMnO4solution in the
presence of H2SO4. The titration gives unsatisfactory result when carried out in the presence of HCl, because HCl
i. reduces permanganate to Mn2+.
ii. oxidises oxalic acid to carbon dioxide and water.
iii. gets oxidised by oxalic acid to chlorine.
iv. furnishes H+ ions in addition to those from oxalic acid.
Sol: KMnO4can oxidise HCl along with oxalic acid into Cl2 and itself gets reduced to Mn2+.

Among the following substituted silanes the one which will give rise to cross linked silicone polymer on
hydrolysis is
i. R2SiCl2
ii. R3SiCl
iii. R4Si
iv. RSiCl3

Which of the following factors is of no significance for roasting sulphide ores to the oxides and not subjecting
the sulphide ores to carbon reduction directly?
i. Metal sulphides are less stable than the corresponding oxides.
ii. CO2is more volatile than CS2.
iii. Metal sulphides are thermodynamically more stable than CS2.
iv. CO2is thermodynamically more stable than CS2.

For full question paper here is the attachment:

AIIMS Chemistry Paper

Attached Files Available for Download
File Type: pdf AIIMS Chemistry Paper.pdf (216.6 KB, 21 views)
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