M C Q s D r i v e

Chemistry 1488 MCQs [All-Courses]

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oost your exam preparation with our Chemistry MCQs designed for PPSC, FPSC, NTS, OTS, PTS, AJKPSC, BPSC, KPPSC, PMS, CSS, and all competitive exams.
Our content covers Basic Chemistry, Atomic Structure, Periodic Table, Chemical Reactions, Acids & Bases, Organic Chemistry, and everyday chemical concepts.

The number of molecules taking part in the rate determining step is called___________________?
A Order of reaction
B Rate of reaction
C Mole of a reaction
D Extent of a reaction
Correct Answer: Order of reaction
Halides in which halogen atoms act as a bridge between two atoms of the other element are called___________________?
A Covalent halides
B Electronegative halides
C Polymeric halides
D Polymeric hydrides
Correct Answer: Polymeric halides
Ethyl chloride with nascent hydrogen produces_________________?
A methane
B ethane
C propane
D butane
Correct Answer: ethane
Oxidation state of an atom represents____________________?
A Number of electrons gained
B Number of electrons lost
C Apparent charge in compound
D Its vacancies
Correct Answer: Apparent charge in compound
Which C-X bond has the highest bond energy per mole ?
A C-F
B C-C
C C-Br
D C-I
Correct Answer: C-F
Metallic characters of alkali metals_____________________?
A Increase down the group
B Decrease down the group
C No regular trend
D Remain same
Correct Answer: Increase down the group
Vinylacetylene combines with HCI to form___________________?
A polyacetylene
B benzene
C chloroprene
D divinyl acetylene
Correct Answer: chloroprene
Addition of 2nd electron to a uni negative ion is always____________________?
A Exothermic
B Endothermic
C Data is insufficient
D Unpredictable
Correct Answer: Endothermic
Raney nickel is prepared from ______________________ by treating with caustic soda?
A Ni-Cu alloy
B Ni-Fe alloy
C Ni-Al alloy
D Ni-Mg alloy
Correct Answer: Ni-Al alloy
Ionization energy depends upon____________________?
A Nuclear charge
B Atomic size
C Shielding effect
D I.E depends upon all of the above and nature of orbital
Correct Answer: I.E depends upon all of the above and nature of orbital