{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Feb 23-solutions - chauhan(mmc2762 – Feb 23 – sparks...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: chauhan (mmc2762) – Feb 23 – sparks – (51150) 1 This print-out should have 12 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 (part 1 of 2) 10.0 points What is the molecular shape of NO − 2 ? 1. trigonal bipyramidal 2. bent correct 3. tetrahedral 4. trigonal pyramidal 5. linear 6. trigonal planar Explanation: In determining the shape of a molecule, double bonds count the same as single bonds. NO − 2 is bent (AX 2 E) : bracketleftBigg N O b b b b b b O b b b b b b bracketrightBigg − 002 (part 2 of 2) 10.0 points What bond angles are expected? 1. 180 ◦ only 2. 90 ◦ only 3. 120 ◦ only correct 4. 109.5 ◦ only 5. 150 ◦ only 6. 120 ◦ , 180 ◦ , and 90 ◦ Explanation: The bond angle is approximately 120 ◦ only. 003 10.0 points Choose the species that is incorrectly matched with electronic geometry about the central atom. 1. ClO − 4 : tetrahedral 2. SO 2 − 3 : pyramidal correct 3. NO − 2 : trigonal planar 4. ClO − 3 : tetrahedral...
View Full Document

{[ snackBarMessage ]}

Page1 / 3

Feb 23-solutions - chauhan(mmc2762 – Feb 23 – sparks...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon bookmark
Ask a homework question - tutors are online