Chemistry MCQS

341. Conjugate base of hydrazoic acid (NH₃) is:
A. HN₃
B. N₃⁻
C. N⁻₃
D. N⁻₂


342. Correct order of acid strength of the following acids are:
A. HCN 2. HCOOH 3. CH₃COOH 4. HCL
B. 4 > 2 > 3 > 1
C. 4 > 3 > 1 > 2
D. 4 > 3 > 2 > 1


343. Conjugate base of sulfuric acid is:
A. HSO₄⁻
B. SO₄²⁻
C. H₂S
D. Both A and B


344. Conjugate base of OH⁻ is:
A. H₂O
B. O²⁻
C. O⁻
D. O₂


345. 20 g of NaOH is dissolved in 5L of solution. The pOH of the solution is:
A. 2
B. 1
C. 5
D. 3


346. Two solutions of HCl are prepared. The pH of solution A and B are 3 and 1, respectively. Which statement is correct?
A. Solution A is two times more acidic than B
B. Solution A is 100 times more acidic than B
C. Solution B is two times more acidic than A
D. Solution B has a 100-fold higher acidity than solution A


347. Inversion of cane sugar into glucose and fructose is?
(A) Fast process
B) Slow process
(C) Spontaneous process
(D) Instantaneous process


348. The order of oxidizing agents is?
A) I
(B) II
(C) III
(D) IV


349. Strongest oxidizing agent is supported by?
(A) Low dissociation energy
B) High electron affinity
(C) Low ionization energy
(D) None of the above


350. Which one of the following compounds does not explode?
(A) Amine Toluene
B) Trinitro Toluene
(C) Nitroglycerin
(D) None of the above


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