KVPY SX SB Exam 2015 Question Paper

Question : 43 of 120

Marks: +1, -0

The H-C-H, H-N-H, and H-O-H bond angles (in degrees) in methane, ammonia and water are respectively, closest to

Solution:

\table ,H–C–H,H–N↖{..}–H,H–O↖{..}↙{..}–H;,CH_4,NH_3,H_2O;,B.P. = 4,B.P. = 3,B.P. = 2;,L.P. = 0,L.P. = 1,L.P. = 1;\Hybridization, sp^3,sp^3,sp^3;\Bond \angle,109°{,} 28',107°.1,104.5°

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