Blog Log in Get Started Free

NEET Practice Questions (MCQs) with Answers & Solutions

Practice free NEET NEET multiple-choice questions online with instant answers and detailed explanations. No login required.

All Physics Chemistry Botany Zoology

● ● ● ● ●

The explosive nitroglycerine is:

a soap

a salt

an ester

a complex compound

You've reached today's free limit of 20 questions. Log in to keep practising for free.

Explanation

● ● ● ● ●

When an ether is treated with P₂S₅ we get:

thio-alcohol

thio-ester

thio-ether

thio-aldehyde

You've reached today's free limit of 20 questions. Log in to keep practising for free.

Explanation

● ● ● ● ●

1-propanol and 2-propanol can be best distinguished by:-

oxidation with alkaline KMnO₄ followed by reaction with Fehling's solution

oxidation with acidic dichromate followed by reaction with Fehling’s solution

oxidation by heating with copper followed by reaction with Fehling’s solution

oxidation with conc. H₂SO₄ followed by reaction with Fehling’s solution

You've reached today's free limit of 20 questions. Log in to keep practising for free.

Explanation

● ● ● ● ●

Phenyl magnesium bromide reacts with methanol to give a mixture of:-

anisole and Mg(OH)Br

benzene and Mg(OMe)Br

toluene and Mg(OH)Br

phenol and Mg(Me)Br

You've reached today's free limit of 20 questions. Log in to keep practising for free.

Explanation

(b) C₆H₅MgBr + HOCH₃→ C₆H₆+ Mg(Br)OCH₃

● ● ● ● ●

When wine is put in air it become sour due to:-

oxidation of C₂H₅OH into CH₃COOH

bacteria

virus

formic acid formation

You've reached today's free limit of 20 questions. Log in to keep practising for free.

Explanation

(a) C₂H₅OH→CH₃COOH
Acetobacilie (an enzyme)

● ● ● ● ●

The enzyme which can catalyse the conversion of glucose to ethanol is:

zymase

diastase

maltase

invertase

You've reached today's free limit of 20 questions. Log in to keep practising for free.

Explanation

(a) C₁₂H₂₂O₁₁ $\overset{Maltase}{\to}$ C₆H₁₂O₆ $\overset{Zymase}{\to}$ C₂H₅OH

● ● ● ● ●

Denatured spirit is mainly used as a:

good fuel

drug

solvent in preparing varnishes

material in the preparation of oil

You've reached today's free limit of 20 questions. Log in to keep practising for free.

Explanation

● ● ● ● ●

The reaction of ethanol with H₂SO₄does not give:

C₂H₄

C₂H₅OC₂H₅

C₂H₂

C₂H₅HSO₄

You've reached today's free limit of 20 questions. Log in to keep practising for free.

● ● ● ● ●

The products of combustion of an aliphatic thiol (RSH) at 298K are:-

CO₂(l), H₂O(g)andSO₂(g)

CO₂(g), H₂O(g)andSO₂(g)

CO₂(l), H₂O(l)andSO₂(g)

CO₂(g), H₂O(l)andSO₂(l)

You've reached today's free limit of 20 questions. Log in to keep practising for free.

Explanation

(b) RSH+O_2^→CO₂(g)+H₂O(g)+SO₂(g); The energy released during combustion converts H₂O in vapour phase.

● ● ● ● ●

Which reagent will convert propionic acid to propanol-1?

KMnO₄

LiAlH₄

Cr₂O₃

MnO₂

You've reached today's free limit of 20 questions. Log in to keep practising for free.

Explanation

(b) CH₃CH₂COOH $\to_{[H]}^{{LiAlH}_{4}}$ CH₃CH₂CH₂OH

Ready to ace NEET?

Free access · No credit card required

Browse All Questions Create Free Account

Frequently Asked Questions

Yes. You can attempt every NEET question on this page for free without logging in, and check the correct answer with a detailed explanation instantly.

No account is required to attempt questions and view answers. A free account adds bookmarks, personal notes, and progress tracking.

The bank mixes NEET previous year questions (PYQs) with practice questions, each tagged with its exam appearances where applicable.