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GATE Chemistry Practice Paper 1 Questions And Answers

Here you can find GATE Chemistry Practice Paper 1 Questions And Answers.

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Chemistry Practice Paper 1 Questions And Answers

1. I n the proton decoupled 13C NMR spectrum of 7-norbornanone, the number of signals obtained is

Chemistry Practice Paper 1 Questions And Answers

4. If ?y and ?py are the uncertainties in the y-coordinate and the y component of the momentum of a particle respectively, then, according to uncertainty principle ?y?py is (? = h/2p and h is Planck’s constant)

Chemistry Practice Paper 1 Questions And Answers

5. The average length of a typical a-helix comprised of 10 amino acids is

Chemistry Practice Paper 1 Questions And Answers

6. Number of thymine residues in a 5000 kb DNA containing 23% guanine residues is

Chemistry Practice Paper 1 Questions And Answers

8. T he ratio of relative intensities of the two molecular ion peaks of methyl bromide (CH3Br) in the mass spectrum is

Chemistry Practice Paper 1 Questions And Answers

9. A disaccharide that will not give Benedict’s test and will not form osazone is

Chemistry Practice Paper 1 Questions And Answers

10. Choose the allowed transition

Chemistry Practice Paper 1 Questions And Answers

11. The angular part of the wavefunction for the electron in a hydrogen atom is proportional to sin2θ cos θ e2iØ . The values of the azimuthal quantum number (l) and the magnetic quantum number (m) are, respectively

Chemistry Practice Paper 1 Questions And Answers

12. T he bond that gives the most intense band in the infrared spectrum for its stretching vibration is

Chemistry Practice Paper 1 Questions And Answers

13. I f xA and xB are the respective mole fractions of A and B in an ideal solution of the two and TA, TB, T are the fusion temperatures of pure A, pure B and the ideal solution respectively, then

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GATE Chemistry Online Practice Test Paper 1

Free Online Practice mock Test 1 for GATE Chemistry. GATE syllabus and Previous Year Question Papers with Answers Free Download.
1. I n the proton decoupled 13C NMR spectrum of 7-norbornanone, the number of signals obtained is
  • A. 7
  • B. 3
  • C. 4
  • D. 5
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Answer & Explanation

Answer: Option B

Explanation:

-NA-

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2. Identify the most probable product in the given reaction


  • A. .

  • B. .

  • C. .

  • D. .

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Answer & Explanation

Answer: Option C

Explanation:

-NA-

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3. In the cyclization reaction given below, the most probable product formed is

  • A. .

  • B. .

  • C. .

  • D. .

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Answer & Explanation

Answer: Option C

Explanation:

-NA-

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4. If Δy and Δpy are the uncertainties in the y-coordinate and the y component of the momentum of a particle respectively, then, according to uncertainty principle ΔyΔpy is (ћ = h/2π and h is Planck's constant)
  • A. ≥ Ñ›
  • B. > Ñ›/2
  • C. > Ñ›
  • D. ≥ Ñ›/2
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Answer & Explanation

Answer: Option D

Explanation:

-NA-

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5. The average length of a typical α-helix comprised of 10 amino acids is
  • A. 10 Ã…
  • B. 15 Ã…
  • C. 36 Ã…
  • D. 54 Ã…
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Answer & Explanation

Answer: Option B

Explanation:

-NA-

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