A. sp→sp2
B. sp2→sp3
C. sp3→sp
D. sp3→sp2
✅ The correct answer is option D.
Chemistry MCQs
Which one of the following is also known as the lactic acid?
A. 3-Hydroxy propanoic acid
B. 2-Hydroxy propanoic acid
C. 2-hydroxy butanoic acid
D. 3-hydroxy butanoic acid
✅ The correct answer is option B.
What will be the order of reaction of a reaction whose rate can be expressed as R = K [A] [B]?
A. 0
B. 1
C. 2
D. 3
✅ The correct answer is option C.
Which one of the following is also known as the tartaric acid?
A. 2 3-dihydroxy butane 1 4 -dioic acid
B. 2 3 -dihydroxy butanedioic acid
C. 2 3 -dihydroxy butanedioic acid
D. 2 2 -dihydroxy butanoic acid
✅ The correct answer is option A.
Which one among the following is not a good leaving group?
A. HSO4
B. CI-
C. OH-
D. Br-
✅ The correct answer is option C.
Water gas heated at 450°C and 200 atm pressure in the presence of ZnO+Cr2O3 will produce
A. Methanal
B. Methanol
C. Carbonic acid
D. Methane
✅ The correct answer is option B.
What is the order of kinetics in the SN1 mechanism?
A. Zero
B. First
C. Second
D. Third
✅ The correct answer is option B.
The residue obtained after the crystallization of sugar from concentrated sugar cane juice is called
A. Mother liquor
B. Filterate
C. Extract
D. Molasses
✅ The correct answer is option D.
The coordination number of the transition element in [Pt Cl NO2 (NH3)4]2- is
A. 2
B. 6
C. 4
D. 8
✅ The correct answer is option B.
Soda lime is a mixture of
A. CaO and KOH
B. CaO and NaOH
C. NaOH and Na2O
D. Na2O and KOH
✅ The correct answer is option B.