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
Register free for language, difficulty & keyword filters

On monochlorination of n-pentane, the number of isomers formed is:

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

(b) CH3CH2CHClCH2CH3; CH3CHClCH2CH2CH3; CH2ClCH2CH2CH2CH3

The compound which exhibits optical isomerism is:

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

(c) Due to asymmetric carbon atom in it.

Benzaldoxime exists in how many forms?

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

Total number of isomeric aldehydes and ketones that can exist with the molecular formula C5H10O:

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

(d) Draw all possible isomers.

How many types of functional group can be present in an amine with the formula C3H9N?

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

(c) -N> >NH> -NH2.

The type of isomerism observed in urea molecule

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

(d) NH4CNO is functional isomer of urea.

The total number of isomeric carbocations possible for the formula C4H9is:

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

(b) The possible carbocations are (CH3) C+ (CH3)2CH C+ H2, CH3CH2CH2 C+ H2 and CH3CH2 C+ HCH3.

Ethyl acetoacetate exhibits:

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

(c) CH3C||CH2C||OC2H5 â‡Œ CH3C|=CH.COOC2H5          O       O                           OH

Only two isomeric monochloro derivatives are possible for:

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

(a) CH3CH2CH2CH3→    hv        Cl2    CH3CHClCH2CH3 + CH3CH2CH2CH2Cl

Keto-enol tautomerism is observed in :

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

(b) C6H5-C||O-CH⇌C6H-C|OH=CH2 In rest of all migration of H is not possible.

Ready to ace NEET?

Free access · No credit card required

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.