NEET Chemistry practice questions by unit

Original questions for every unit in all five NEET forms, each with a worked answer and the reason each wrong option is wrong.

Units	All twenty, physical, inorganic and organic
Forms	Standard, assertion-reason, statements, count, match
Feedback	Why the answer is right and each wrong option wrong

Try 4 questions

Question 1

Match the species in List I with the number of unpaired electrons in its ground state in List II.

List I	List II
A. Cr (Z = 24)	i. 0
B. Cu⁺ (Z = 29)	ii. 4
C. Fe²⁺ (Z = 26)	iii. 5
D. Mn (Z = 25)	iv. 6

Choose the correct answer from the options given below.

Question 2

Ag(s) | Ag⁺ (saturated with AgX in 0.010 mol L⁻¹ NaX) || Ag⁺(0.10 mol L⁻¹) | Ag(s). At 298 K, Ksp(AgX) = 1.0 × 10⁻¹² and 2.303RT/F = 0.060 V. What is the emf of this cell at 298 K?

Question 3

A solution contains both Fe²⁺ and Fe³⁺. In acid, 25.0 mL of it needs 20.0 mL of 0.020 M K₂Cr₂O₇ to oxidise its Fe²⁺. A second 25.0 mL portion, after all its iron has been reduced to Fe²⁺, needs 30.0 mL of the same dichromate solution. What is the concentration of Fe³⁺ in the original solution?

Question 4

Which compound is the most reactive towards nucleophilic addition of HCN?

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Are past NEET papers still useful?

Yes, for timing and question style. Check each question against the current syllabus, since topics have been added and removed over the years.