Chemistry
2020 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE CY 2020 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 28–30 of 65. Imported answers require review unless explicitly marked reviewed.
Question 18
Open questionCYNAT1 markNeeds review
The maximum number of microstates for
electronic configuration is ______Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 19
Open questionCYNAT1 markNeeds review
In a uranium recovery process, an aqueous solution of uranyl ion is evaporated, dried in air at 400 °C and subsequently reduced with hydrogen at 700 °C to obtain a uranium compound (X). The oxidation state of uranium in X is ______
(Given: atomic number of U is 92)
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 20
Open questionCYNAT1 markNeeds review
For a cubic crystal system, the powder X-ray diffraction pattern recorded using Cu K
source (
= 1.54 Å) shows a peak at 33.60° (
) for (111) plane. The lattice parameter ‘a’ (in Å, rounded off to two decimal places) is ______Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer