Chemistry
2019 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE CY 2019 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 34–36 of 65. Imported answers require review unless explicitly marked reviewed.
Question 24
Open questionCYNAT1 markNeeds review
In a 400 MHz ¹H NMR spectrometer, a proton resonates at 1560 Hz higher than that of tetramethylsilane. The chemical shift value of this proton is ____________ ppm. (Round off to one decimal place)
(Chemical shift of tetramethylsilane is fixed at zero ppm)
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Open questionCYNAT1 markNeeds review
Gas phase bond length and dipole moment of a compound (MX) is 3 Å and 10.8 D, respectively. The ionic character in gas phase MX is __________%. (Round off to one decimal place)
(1D = 3.336 × 10⁻³⁰ C m)
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Open questionCYMCQ2 marksNeeds review
The experimentally observed magnetic moment values, which match well with the spin-only values for the pair of aqueous ions is
(Atomic number: Cr = 24, Co = 27, Gd = 64, Tb = 65, Dy = 66 and Lu = 71)
Your answerChoose one option.
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