A. Alkane
B. Alkene
C. Alkyne
D. Aldehydes
✅ The correct answer is option A.
Chemistry MCQs
Which of the following is different with respect to physical appearance?
A. Arsenic
B. Phosphorus
C. Antimony
D. Bismuth
✅ The correct answer is option B.
Sum of exponents of molar concentration is called
A. Order of reaction
B. Molecularity
C. Rate of reaction
D. Average of reaction
✅ The correct answer is option A.
Clemmensens reduction infolves the reduction of
A. Ketone
B. Aldehyde
C. Alkane
D. All of the above
✅ The correct answer is option A.
Which one of the followings possesses melting point below 0?C?
A. Nitrogen
B. Phosphorus
C. Carbon
D. Bismuth
✅ The correct answer is option A.
Spontaneous reactions are
A. Moderate
B. Slow
C. Fast
D. Not natural
✅ The correct answer is option C.
Removal of CO2 is called
A. Carboxylation
B. Decarboxylation
C. Esterification
D. Hydroxylation
✅ The correct answer is option B.
Compounds of nitrogen and phosphorus are mostly
A. Ionic
B. Covalent
C. Polar
D. All varieties are possible
✅ The correct answer is option B.
In rate expression the concentration of reactants is negative. It shows
A. The concentration of reactant does not change
B. The concentration of product increases
C. The concentration of reactant decreases
D. The concentration of reactant increases
✅ The correct answer is option C.
Which has the minimum freezing point?
A. One Molal NaCI
B. One molal KCI solution
C. One molal CaCI2
D. One molal urea solution
✅ The correct answer is option C.