TET-Ctet-Chemistry-set-45

Chemistry MCQs for all Competitive Exams SET-45
Chemistry Multiple Choice Questions

Chemistry Multiple Choice Questions(MCQ)
रसायन विज्ञान बहुविकल्पीय प्रश्न

Welcome to our exclusive collections of chemistry multiple choice questions with answers. All questions are of multiple choice type.In these MCQs sets we are going to share most important questions related to chemistry. These questions are very helpful for those candidates and aspirants who are preparing for the various government and non government exam as well as in interview.
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Chemistry MCQs for all Competitive Exams SET-45
रसायन विज्ञान बहुविकल्पीय प्रश्न


Question : 1-10

Question : 1

Which of the following species does not exert a resonance effect?

[A].   C6H5NH2
[B].   C6H5NH3
[C].   C6H5OH
[D].   C6H5Cl


Question : 2

Based on the first law of thermodynamics, which one of the Following is correct?

[A].   For an isochoric process, ΔU = –q
[B].   For an isochoric process, q = +w
[C].   For a cyclic process, q = –w
[D].   For an adiabatic process, ΔU = –w


Question : 3

An element belongs to Group 15 and third period of the periodic table. Its electronic configuration will be

[A].   1s22s22p3
[B].   1s22s22p4
[C].   1s22s22p63s23p3
[D].   1s22s22p63s23p2


Question : 4

α-maltose consists of

[A].   two α-D-glucopyranose units with 1-2 glycosidic linkage
[B].   one α-D-glucopyranose units and one β-D-glucopyranose unit with 1-2 glycosidic linkage
[C].   two α-D-glucopyranose units with 1-4 glycosidic linkage
[D].   two β-D-glucopyranose units with 1-4 glycosidic linkage


Question : 5

An example for autocatalysis is

[A].   oxidation of NO to NO2
[B].   oxidation of SO2 to SO3
[C].   decomposition of KClO3 to KCl and O2
[D].   oxidation of oxalic acid by acidified KMnO4


Question : 6

0.06 mole of KNO3 solid is added to 100 cm3 of water at 298 k. The enthalpy of KNO3aq solution is 35.8 kJmol–1. After the solute is dissolved the temperature of the solution will be

[A].   293 k
[B].   298 k
[C].   301 k
[D].   304 k


Question : 7

Anhydrous ferric chloride is prepared by

[A].   Dissolving Fe(OH)3 in concentrated HCl
[B].   Dissolving Fe(OH)3 in dilute HCl
[C].   Passing dry HCl over heated iron scrap
[D].   Passing dry Cl2 gas over heated iron scrap


Question : 8

1 × 10–3 m solution of Pt(NH3)4Cl4 in H2O shows depression in freezing point by 0.0054°C. The structure of the compound will be (Given Kfp(H2O) = 1.860 km–1)

[A].   [Pt(NH3)4]Cl4
[B].   [Pt(NH3)3Cl]Cl3
[C].   [Pt(NH3)2Cl2]Cl2
[D].   Pt(NH3)Cl3]Cl


Question : 9

By heating phenol with chloroform in alkali, it is converted into

[A].   salicylic acid
[B].   salicylaldehyde
[C].   anisole
[D].   phenyl benzoate


Question : 10

1.2 g of organic compound on Kjeldahilization liberates ammonia which consumes 30 cm3 of 1 N HCl. The percentage of nitrogen in the organic compound is ______.

[A].   35
[B].   30
[C].   20.8
[D].   46.67





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