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.
इस पोस्ट में हम रसायन विज्ञान से सम्बंधित कई महत्वपूर्ण बहुविकल्पीय प्रश्न प्रस्तुत कर रहे है , जो कई प्रतियोगी परीक्षाओ में पूछे जाते है. जैसे TET, CTET, JEE, AIPMT, PMT, Police exams ,army exams, CDSE , SBI Clerk , SBIPO, PO, RRB , IBPS PO , PSc, State PSC, Patwari, Samvida, Teacher recruitment test, UPSC, SSC, CGL, SI, CTET, TET, CDS, MAT , SSC 10+2 , CLAT , NIFT , SBI , IBPS Clerk, Vyapam, आदि.

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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TET-Ctet-Chemistry-set-33

Chemistry MCQs for all Competitive Exams SET-33
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.
इस पोस्ट में हम रसायन विज्ञान से सम्बंधित कई महत्वपूर्ण बहुविकल्पीय प्रश्न प्रस्तुत कर रहे है , जो कई प्रतियोगी परीक्षाओ में पूछे जाते है. जैसे TET, CTET, JEE, AIPMT, PMT, Police exams ,army exams, CDSE , SBI Clerk , SBIPO, PO, RRB , IBPS PO , PSc, State PSC, Patwari, Samvida, Teacher recruitment test, UPSC, SSC, CGL, SI, CTET, TET, CDS, MAT , SSC 10+2 , CLAT , NIFT , SBI , IBPS Clerk, Vyapam, आदि.

Chemistry MCQs for all Competitive Exams SET-33
रसायन विज्ञान बहुविकल्पीय प्रश्न


Question : 1-10

Question : 1

Methoxy methane and ethanol are

[A].   Position isomers
[B].   Chain isomers
[C].   Functional isomers
[D].   Optical isomers


Question : 2

One gram of silver gets distributed between 10 cm3 of molten zinc and 100 cm3 of molten lead at 800°C. The percentage of silver in the zinc layer is approximately ______.

[A].   91
[B].   89
[C].   94
[D].   97


Question : 3

Mg+2 is isoelectronic with

[A].   Ca2+
[B].   Na+
[C].   Zn2+
[D].   Cu2+


Question : 4

One mole of an organic compound ‘A’ with the formula C3H8O reacts completely with two moles of HI to form X and Y. When ‘Y’ is boiled with aqueous alkali forms Z.Zanswers the iodoform test. The compound ‘A’ is ______.

[A].   Propan -1 -o1
[B].   Propan -2 -o1
[C].   methoxyethane
[D].   ethoxyethane


Question : 5

Molarity of a given orthophosphoric acid solution is 3M. It’s normality is

[A].   1 N
[B].   2 N
[C].   0.3 N
[D].   9 N


Question : 6

One mole of oxygen at 273 k and one mole of sulphur dioxide at 546 k are taken in two separate containers, then,

[A].   kinetic energy of O2 > kinetic energy of SO2 .
[B].   kinetic energy of O2 < kinetic energy of SO2.
[C].   kinetic energy of both are equal.
[D].   None of these


Question : 7

Mole fraction of the solute in a 1.00 molal aqueous solution is

[A].   1.77
[B].   0.177
[C].   0.0177
[D].   0.0344


Question : 8

One mole of which of the following has the highest entropy?

[A].   liquid nitrogen
[B].   hydrogen gas
[C].   mercury
[D].   diamond


Question : 9

Molecules of a noble gas do not possess vibrational energy because a noble gas ______.

[A].   is chemically inert
[B].   is monoatomic
[C].   is diamagnetic
[D].   has completely filled shells


Question : 10

Paracetamol is a/ an

[A].   antimalarial
[B].   antipyretic
[C].   analgesic
[D].   both 2 and 3





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TET-Ctet-Chemistry-set-32

Chemistry MCQs for all Competitive Exams SET-32
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.
इस पोस्ट में हम रसायन विज्ञान से सम्बंधित कई महत्वपूर्ण बहुविकल्पीय प्रश्न प्रस्तुत कर रहे है , जो कई प्रतियोगी परीक्षाओ में पूछे जाते है. जैसे TET, CTET, JEE, AIPMT, PMT, Police exams ,army exams, CDSE , SBI Clerk , SBIPO, PO, RRB , IBPS PO , PSc, State PSC, Patwari, Samvida, Teacher recruitment test, UPSC, SSC, CGL, SI, CTET, TET, CDS, MAT , SSC 10+2 , CLAT , NIFT , SBI , IBPS Clerk, Vyapam, आदि.

Chemistry MCQs for all Competitive Exams SET-32
रसायन विज्ञान बहुविकल्पीय प्रश्न


Question : 1-10

Question : 1

In the periodic table metals usually used as catalysts belong to

[A].   s – block
[B].   p – block
[C].   d – block
[D].   f – block


Question : 2

Malleability and ductility of metals can be accounted due to

[A].   the presence of electrostatic force
[B].   the crystalline structure in metal
[C].   the capacity of` layers of metal ions to slide over the other
[D].   the interaction of` electrons with metal ions in the lattice


Question : 3

In which of the following process, a maximum increase in entropy is observed?

[A].   dissolution of salt in water
[B].   condensation of water
[C].   sublimation of naphthalene
[D].   melting of ice


Question : 4

Mass of 0.1 mole of Methane is

[A].   1 g
[B].   16 g
[C].   1.6 g
[D].   0.1 g


Question : 5

In which of the following, NH3 is not used?

[A].   Group reagent for the analysis of IV group basic radical.
[B].   Group reagent for the analysis of IIIgroup basic radical.
[C].   T0llen’s reagent
[D].   Nessler’s reagent


Question : 6

Maximum number of molecules of CH3I that can react with a molecule of CH3NH2 are

[A].   1
[B].   2
[C].   4
[D].   3


Question : 7

In which one of the following, does the given amount of chlorine exert the least pressure in a vessel of capacity 1 dm3 at 273K?

[A].   0.071 g
[B].   0.0355 g
[C].   0.02 mole
[D].   6.023 x 1021 molecules


Question : 8

Mercury is a liquid metal because

[A].   it has a completely filled s-orbital
[B].   it has a small atomic size
[C].   it has a completely filled d-orbital that prevents d-d overlapping of orbitals
[D].   it has a completely filled d-orbital that causes d-d overlapping


Question : 9

Mesomeric effect involves delocalisation of

[A].   pi electrons
[B].   sigma electrons
[C].   protons
[D].   none of these


Question : 10

Of the following which one is classified as polyester polymer?

[A].   Nylon-66
[B].   Terylene
[C].   Backelite
[D].   Melamine





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MCQs Practice Sets for Sure Success in all competitive exams



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