TET-Ctet-Chemistry-set-34

Chemistry MCQs for all Competitive Exams SET-34
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-34
रसायन विज्ञान बहुविकल्पीय प्रश्न


Question : 1-10

Question : 1

N2 + 3H2 Ý 2NH3+ heat. What is the effect of the increase of temperature on the equilibrium of the reaction?

[A].   equilibrium is shifted to the left
[B].   equilibrium is shifted to the right
[C].   equilibrium is unaltered
[D].   reaction rate does not change


Question : 2

Peroxide ion ______.

a) is diamagnetic.

b) has five completely filled antibonding molecular orbitals.

c) is isoelectronic with neon.

d) has bond order one.

Which one of these is correct?

[A].   a), b) and d)
[B].   d) and c)
[C].   a) and d)
[D].   a), b) and c)


Question : 3

pH value of which one of the following is not equal to one?

[A].   0.05 M H2SO4
[B].   0.1 M HNO3
[C].   50cm3 of 0.4 M HCI +50 cm3 of 0.2M NaOH
[D].   0.1 M CH3 COOH


Question : 4

Presence of halogen in organic compounds can be detected using

[A].   Beilstien’s test
[B].   kjeldahl test
[C].   Duma’s test
[D].   Leibig’s test


Question : 5

n-propyl bromide on treating with alcoholic KOH produces

[A].   propane
[B].   propene
[C].   propyne
[D].   propanol


Question : 6

Rate of physical adsorption increases with

[A].   decrease in pressure
[B].   increase in temperature
[C].   decrease in surface area
[D].   decrease in temperature


Question : 7

Of the following complex ions, which is diamagnetic in nature?

[A].   [CoF6]3–
[B].   [NiCl4]2–
[C].   [Ni(CN)4]2–
[D].   [CuCl4]2–


Question : 8

Reaction of methyl bromide with aqueous sodium hydroxide involves ______.

[A].   SN 1 mechanism
[B].   racemisation
[C].   SN2 mechanism
[D].   inversion of configuration


Question : 9

The best method for the conversion of an alcohol into an alkyl chloride is by treating the alcohol with

[A].   SOCl2 in presence of pyridine
[B].   Dry HCl in the presence of anhydrous ZnCl2
[C].   PCl3
[D].   PCl5


Question : 10

Standard electrode potential for Sn4+/ Sn2+ couple is +0.15 V and that for the Cr3+ / Cr couple is –0.74 V. These two couples in their standard state are connected to make a cell. The cell potential will be

[A].   +1.83 V
[B].   +1.19 V
[C].   +0.89 V
[D].   +0.18 V





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