Computer Science MCQs (Set–29 | Level — Frontier Open Conjectures & Deep Structural Theory 😈🔥)

281. The statement “P ≠ NP” would immediately imply: A) NP ⊄ P B) No NP-Complete problem is solvable in polynomial time C) There exist problems verifiable but not efficiently solvable D) All of the above Answer: D) All of the above 282. The class coNP consists of languages whose complements are in: A) P B) NP C) PSPACE D) EXP Answer: B) NP 283. If PH collapses to level k, then: A) All higher levels equal Σₖ^P B) PSPACE collapses C) NP = PSPACE D) EXP collapses Answer: A) All higher levels equal Σₖ^P 284. The problem of graph isomorphism is currently known to be in: A) P (proven decades ago) B) NP-Complete C) Quasi-polynomial time D) PSPACE-Complete Answer: C) Quasi-polynomial time 285. The class #P deals with: A) Optimization problems B) Counting accepting paths C) Space-bounded computation D) Quantum proofs Answer: B) Counting accepting paths 286. If #P = FP (polynomial-time computable functions), then: A) P = NP B) PH collapses C) PSPACE = NP D) BQP = P Answer: B) PH collapses ...
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Chemistry MCQs (Set–36)

 Here are 🔬 Chemistry MCQs – Set 36 (Legendary Ultimate Level 🔥🔥🔥🔥🔥)

351. The number of radial nodes in 6f orbital is:

A) 0
B) 1
C) 2
D) 3
👉 Answer: B
(Radial nodes = n – l – 1 = 6 – 3 – 1 = 2 → Correct answer: C)

352. Which of the following has highest electron gain enthalpy (most negative)?
A) O
B) F
C) Cl
D) Br
👉 Answer: C

353. The number of σ-bonds in anthracene (C₁₄H₁₀) is:
A) 19
B) 20
C) 21
D) 22
👉 Answer: C

354. The pH of 1×10⁻³ M H₂SO₄ (assuming complete first dissociation only) is:
A) 2
B) 3
C) 1
D) 4
👉 Answer: B

355. Which of the following radicals is most stable?
A) Methyl
B) Primary
C) Secondary
D) Allyl
👉 Answer: D

356. The bond order of O₂⁺ is:
A) 2
B) 2.5
C) 3
D) 1.5
👉 Answer: B

357. The number of unpaired electrons in Fe²⁺ (high spin, d⁶) is:
A) 2
B) 3
C) 4
D) 5
👉 Answer: C

358. For a zero-order reaction, time required for completion is:
A) Infinite
B) Finite
C) Zero
D) Depends on pressure

👉 Answer: B

359. Which compound gives positive Fehling’s test?
A) Benzaldehyde
B) Acetone
C) Acetaldehyde
D) Benzophenone

👉 Answer: C

360. The geometry of XeF₄ is:
A) Square planar
B) Tetrahedral
C) Octahedral
D) Linear

👉 Answer: A

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