1
MCQ (Single Correct Answer)
Addition of water to alkynes occurs in acidic medium and in the presence of $\mathrm{Hg}^{2+}$ ions as a catalyst. Which of the following products will be formed on addition of water to but-1-yne under these conditions?
A
B
C
D
2
MCQ (Single Correct Answer)
Which of the following compounds is most reactive towards nucleophilic addition reactions?
A
B
C
D
3
MCQ (Single Correct Answer)
The correct order of increasing acidic strength is ............ .
A
phenol < ethanol < chloroacetic acid < acetic acid
B
ethanol < phenol < chloroacetic acid < acetic acid
C
ethanol < phenol < acetic acid < chloroacetic acid
D
chloroacetic acid < acetic acid < phenol < ethanol
4
MCQ (Single Correct Answer)
Compound 
can be prepared by the reaction of ............. .
A
phenol and benzoic acid in the presence of NaOH
B
phenol and benzoyl chloride in the presence of pyridine
C
phenol and benzoyl chloride in the presence of $\mathrm{ZnCl}_2$
D
phenol and benzaldehyde in the presence of palladium
5
MCQ (Single Correct Answer)
The reagent which does not react with both, acetone and benzaldehyde?
A
Sodium hydrogen sulphite
B
Phenyl hydrazine
C
Fehling's solution
D
Grignard reagent