TET-Ctet-Chemistry-set-49

Chemistry MCQs for all Competitive Exams SET-49
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-49
रसायन विज्ञान बहुविकल्पीय प्रश्न


Question : 1-10

Question : 1

Reaction of formaldehyde and ammonia gives

[A].   Hexamethylene tetramine
[B].   Bakelite
[C].   Urea
[D].   Triethylene Tetramine


Question : 2

For transition metal octahedral complexes, the choice between high spin and low spin electronic configurations arises only for

[A].   d1 to d3 complexes
[B].   d4 to d7 complexes
[C].   d7 to d9 complexes
[D].   d1, d2 and d8 complexes


Question : 3

H2S is passed into one dm3 of a solution containing 0.1 mole of Zn2+and 0.01 mole of Cu2+ till the sulphide ion concentration reaches 8.1 × 10–19 moles. Which one of the following statementsis true?

[A].   Both CuS and ZnS precipitate
[B].   Only ZnS precipitates
[C].   No precipitation occurs
[D].   Only CuS precipitates


Question : 4

In an alkaline medium, glycine predominantly exists as/in a /an

[A].   anion
[B].   cation
[C].   covalent form
[D].   zwitterions


Question : 5

In which of the following complex ion, the central metal ion is in a state of sp3d2 hybridisation?

[A].   [CoF6]3-
[B].   [Co(NH3)6]3+
[C].   [Fe(CN)6]3-
[D].   [Cr (NH3)6]3+


Question : 6

Monobromination of 2-methylbutane gives how many distinct isomers?

[A].   One
[B].   Two
[C].   Three
[D].   Four


Question : 7

Paracetamol is

[A].   Methyl salicylate
[B].   Phenyl salicylate
[C].   N-acetyl p-amino phenol
[D].   Acetyl salicylic acid


Question : 8

The amount of the heat released when 20 ml 0.5 M NaOH is mixed with 100 ml 0.1 M HCI is ´ kJ. The heat of neutralization is

[A].   –100 x kJ/mol
[B].   –50 x kJ/mol
[C].   +100 x kJ/mol
[D].   +50 x kJ/mol


Question : 9

The conversion of m-nitrophenol to resorcinol involves respectively

[A].   diazotization, reduction and hydrolysis
[B].   hydrolysis, diazotization and reduction
[C].   reduction, diazotization and hydrolysis
[D].   hydrolysis, reduction and diazotization


Question : 10

The formula mass of Mohr's salt is 392. The iron present in it is oxidised by KMnO4 in acidmedium. The equivalent mass of Mohr's salt is

[A].   392
[B].   31.6
[C].   278
[D].   156





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