Diagnostic Test MCQs

1.Which type of coating is commonly applied to industrial materials used in thermal power plants?

Polyester-based resinsEpoxy-based paint coatingsResins made from polyamidePolyvinyl chloride coatings

2.What is the common name for the compound propane-1,3-dioic acid?

Oxalic acidSuccinic acidMalonic acidFumaric acid

3.Which of the following compounds does not undergo aldol condensation?

AcetaldehydePropanoneBenzaldehydeMethyl ethyl ketone

4.Which enzyme is not involved in the fermentation process?

DiastaseInvertaseZymaseSucrase

5.Identify the option that does not represent an effective leaving group.

Hydrogen sulfate ion (HSO4-)Chloride ion (Cl-)Hydroxide ion (OH-)Bromide ion (Br-)

6.What is the primary product formed when toluene undergoes chlorination in the presence of sunlight?

Benzyl chlorideBenzal dichlorideOrtho-chlorotolueneA mixture of ortho- and para-chlorotoluene

7.What is the product formed when vinyl acetylene reacts with hydrochloric acid?

8.Which characteristic of carbon is primarily responsible for the vast diversity of organic compounds?

Having four valence electronsAbility to form chains with itselfCapability to form different structural arrangementsTendency to create double and triple bonds

9.What is the coordination number of the chromium ion in the complex [Cr(OH)3(H2O)3]?

10.What type of reaction occurs when chlorine gas is introduced into a hot solution of sodium hydroxide?

11.What is the chemical formula of cinnabar?

Iron disulfide (FeS2)Mercury sulfide (HgS)Lead sulfide (PbS)Zinc sulfide (ZnS)

12.Which of the following is not an application of silicones?

13.Considering atomic sizes, which of the following sequences correctly represents the order from larger to smaller atom?

Magnesium is larger than StrontiumBarium has a greater atomic size than MagnesiumLutetium is bigger than CeriumChlorine is larger than Iodine