TET-Ctet-Chemistry-set-40

Chemistry MCQs for all Competitive Exams SET-40
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-40
रसायन विज्ञान बहुविकल्पीय प्रश्न


Question : 1-10

Question : 1

The standard electrode potential for the half cell reactions are:Zn++ + 2e– →  Zn E° = – 0.76 VFe++ + 2e– → Fe E° = – 0.44 VThe E.M.F. of the cell reaction :Fe++ + Zn →  Zn++ +Fe is

[A].   +1.20V
[B].   +0.32V
[C].   –0.32 V
[D].   –1.20 V


Question : 2

The oxidation state of iron in K4 [Fe (CN )6] is

[A].   2
[B].   3
[C].   4
[D].   1


Question : 3

The standard emf of a galvanic cell involving 3 moles of electrons in its redox reaction is 0.59 V. The equilibrium constant for the reaction of the cell is ______.

[A].   1020
[B].   1025
[C].   l030
[D].   1015


Question : 4

The oxide of an element whose electronic configuration is ls2 2s2  2p6 3s1 is

[A].   Basic
[B].   Acidic
[C].   Neutral
[D].   Amphoteric


Question : 5

The temperature of the slag zone in the metallurgy of Iron using blast furnace is

[A].   400 – 700 °C
[B].   800 – 1000 °C
[C].   1200 – 1500 °C
[D].   1500 – 1600 °C


Question : 6

The product formed when hydroxylamine condenses with a carbonyl compound is called

[A].   Hydrazone
[B].   Hydrazine
[C].   Oxime
[D].   Hydrazide


Question : 7

The total number of atomic orbitals in fourth energy level of an atom is

[A].   4
[B].   8
[C].   16
[D].   32


Question : 8

The r.m.s. velocity of molecules of a gas of density 4 kg m–3 and pressure 1.2 × 105 Nm–2 is

[A].   120 ms–1
[B].   600 ms–1
[C].   300 ms–1
[D].   900 ms–1


Question : 9

The value of DH for the reactionX2g + 4Y2(g) Ý 2XY4(g) is less than zero. Formation of XY4(g) will be favoured at

[A].   High pressure and low temperature
[B].   High temperature and high pressure
[C].   Low pressure and low temperature
[D].   High temperature and low pressure


Question : 10

The reagent used in Clemmenson’s reduction is

[A].   alc. KOH
[B].   aq. K0H
[C].   Zn-Hg / con. HCl
[D].   Conc. H2SO4





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